# Significant Number Factoid Friday – Today The Number Is Twenty-Five 25

“Fight Against Stupidity And Bureaucracy”

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It’s been a while since I did a number factoid.

My only excuse is the time it takes to compile these, which I haven’t managed to find for a few months, so if you missed them my apologies.

However, there is one today, so if you like this sort of thing I hope you enjoy.

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## The Number 25

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In religion

• In the Bible the number twenty-five is of cardinal importance in Ezekiel’s Temple Vision (Ezekiel 40-48).
• Twenty-five is also seen near God’s throne in heaven. God’s throne, plus the thrones of the twenty-four elders, makes for 25 total. (Revelation 4:1-4)
• Twenty-five pictures ‘grace upon grace.’ Redemption (20) plus grace (5) also equals 25. (John 1:14, 16-17)
• Levites were to begin serving at age 25 in assisting with sacrifices — which were a physical type of forgiveness and redemption for the people.
• Jehoshaphat, considered one of the best kings to rule the Kingdom of Judah, reigned for 25 years (872 – 848 B.C.).

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• In Islam, there are twenty-five prophets mentioned in the Quran.

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In mathematics

• 25 is a square number, being 5² = 5 × 5.
• 25 is the smallest square that is also a sum of two squares: 25 = 3² + 4². Hence it often appears in demonstrations of the Pythagorean theorem.

• 25 percent is equal to 1/4.
• Within base 10 one can readily test for divisibility by 25 by seeing if the last two digits of the number match 25, 50, 75 or 00.
• In base 30, 25 is a 1-automorphic number (displayed as the numeral ‘P’ or ‘R’ dependant on the chosen digit set), and in base 10 a 2-automorphic number.

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In science and technology

• Atomic Number of Manganese (Mn) = 25  (25 protons & 25 electrons)
• It is part of the name of LSD-25 molecule
• 25 is the usual TCP port for SMTP.
• 25 is the per-second frame rate of the PAL video standard
• And probably most significant of all, the internet or world wide web turned 25 this year!

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In space

• Open Cluster M25 (also known as Messier Object 25 or IC 4725) is an open cluster in the constellation Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745 and included in Charles Messier’s list in 1764.
• NGC 25 is a lenticular galaxy situated in the Phoenix constellation
• The Sun rotates once in 25 days near the poles and about 30 days near its equator.
• 25 is the number of days approximately that takes the sun to do a complete rotation on itself.

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In politics

• William McKinley (January 29, 1843 – September 14, 1901) was the 25th President of the United States, serving from March 4, 1897, until his assassination in September 1901, six months into his second term. McKinley led the nation to victory in the Spanish–American War, raised protective tariffs to promote American industry, and maintained the nation on the gold standard in a rejection of inflationary proposals. He was also the last President to have served during the Civil War.

• The Twenty-fifth Amendment (Amendment XXV) to the United States Constitution deals with succession to the Presidency and establishes procedures both for filling a vacancy in the office of the Vice President, as well as responding to Presidential disabilities. It supersedes the ambiguous wording of Article II, Section 1, Clause 6 of the Constitution, which does not expressly state whether the Vice President becomes the President, as opposed to an Acting President, if the President dies, resigns, is removed from office or is otherwise unable to discharge the powers of the presidency. The Twenty-fifth Amendment was adopted on February 23, 1967.
• 25 is the minimum age of candidates for election to the United States House of Representatives.
• 25 is the (critical) number of Florida electoral votes for the 2000 U.S. presidential election
• 25 is the number of the French department Doubs

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In books, music, movies and TV

• “25” is a song by Veruca Salt from their 1994 album American Thighs.
• “25th Floor” is a song by Patti Smith Group from their 1978 album Easter.
• Twenty Five is the name of a 2006 George Michael compilation celebrating 25 years in the music business (1981–2006).
• “In the Year 2525 (Exordium et Terminus)” is a 1969 hit song by the American pop-rock duo of Zager and Evans. It reached number one on the Billboard Hot 100.
• The 25th Hour is a MGM film (1967) with screen-play by Henri Verneuil based on C. Virgil Gheorghiu’s novel.
• Not forgetting our old friend, “Buck Rogers in the 25th Century”

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In sport

• Twenty-five is the value of the outer bullseye on a dart board.
• Twenty-five is the size of the full roster on a Major League Baseball team for most of the season, except for regular-season games on or after September 1, when teams may expand their roster to no more than 40 players.
• In baseball, the number 25 is typically reserved for the best slugger on the team. Examples include Mark McGwire, Barry Bonds, and Mark Teixeira.

• The number of points needed to win a set in volleyball under rally scoring rules (except for the fifth set), so long as the losing team’s score is two less than the winning team’s score (i.e., if the winning team scores 25 points, the losing team can have no more than 23 points).
• In U.S. college football, schools that are members of NCAA Division I FBS are allowed to provide athletic scholarships to a maximum of 25 new football players (i.e., players who were not previously receiving scholarships) each season.
• In the NBA the number 25 jersey has been retired by the Boston Celtics for K. C. Jones; by the Cleveland Cavaliers for Mark Price; by the Los Angeles Lakers for Gail Goodrich; and by the Washington Wizards for Gus Johnson (the team was then known as the Baltimore Bullets).
• In the NHL the number 25 jersey has been retired by the  Winnipeg Jets for Thomas Steen.

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In automotive and transportation

• In the United States 25 is the designation of United States Interstate 25, a freeway that runs from New Mexico to Wyoming.
• In Britain M25 is the designation of the London Orbital motorway.

• And in Russia Municipal Okrug 25, until March, 2010, was the name of Knyazhevo Municipal Okrug in Kirovsky District of Saint Petersburg.

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• The Carlsson C25 Supercar
• Carlsson’s first supercar, the C25, made its debut at the 2010 Geneva Motor Show. With a limited run of 25 units, the C25 is powered by a twin-turbocharged V12 engine that generates 753 hp (562 kW) and 848 ft·lbf (1,150 N·m) of torque. Estimated acceleration from 0–100 km/h (62 mph) in 3.7 seconds and top speed is 219 mph. (355 km/h).

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• Donkervoort Prototype J25
• Under the code name J25, Donkervoort developed – right before its 25 year jubilee – a completely new car. This model went a step further in its styling than its predecessors the S8 and D8. The, for that period, very modern lines and a number of details, such the little doors and nose used, were derived from the D20. The J25 was also the first Donkervoort to be produced with 270 bhp.

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• Infiniti G25
• Infiniti debuted the G25 sedan at the 2010 Paris Auto Show. The G25 is powered by a 2.5 L V6 VQ25HR producing 218 hp (163 kW) and 187 lb·ft (254 N·m) of torque. The G25’s JDM relative, the Nissan Skyline 250 GT Sedan which features the same engine, had been on sale for several years already.

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• BMW R25
• The 1951 the 250cc R25 single was BMW’s first postwar single-cylinder motorcycle with a rear suspension.

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• Yamaha R25
• The Yamaha R25 is the first motorcycle by Yamaha in the 250cc segment. It is a 2-cylinder, liquid cooled motorcycle, using an advanced fuel injection system. It also has a tubular chassis with telescopic front suspension.

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• C25 Standard RV
• The C25 is a traditional motorhome with the self-contained features you expect, including most with a power generator in the USA.

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• David Brown DB25 Tractor
• David Brown developed the 25hp and 30hp engine, and so the DB25 and DB30 tractors came into existence, lasting from 1953-58. The petrol/TVO models were known as the David Brown 25C and 30C, while they called the diesel versions 25D and 30D. They are still collected and restored by enthusiasts today.

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J25 Steam Engine

The NER Class P1 (LNER Class J25) was a class of 0-6-0 steam locomotives of the North Eastern Railway in Great Britain. Class P1 was a development of Class P, having a boiler four inches longer, and a firebox six inches longer. To accommodate these, the wheelbase was increased by nine inches. The cylinder stroke was also increased by two inches.

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In militaria

• B-25 Mitchell
• Named in honor of General Billy Mitchell, a pioneer of U.S. military aviation, the B-25 Mitchell was an American twin-engined medium bomber manufactured by North American Aviation that saw service over four decades. By the end of its production, nearly 10,000 B-25s in numerous models had been built.
• It was used by many Allied air forces, in every theater of World War II, as well as many other air forces after the war ended, including The Royal Air Force (RAF), Royal Canadian Air Force, Royal Australian Air Force, Dutch Air Force, Soviet Air Force, China Air Force, Brazilian Air Force,  and by the Free French.

• However, the incident for which the B-25 is perhaps best known is one that happened in America. At 9:40 on Saturday, 28 July 1945, a USAAF B-25D crashed in thick fog into the north side of the Empire State Building between the 79th and 80th floors.
• Fourteen people died – eleven in the building and the three occupants of the aircraft including the pilot, Colonel William Smith.
• Betty Lou Oliver, an elevator attendant, survived the impact and a subsequent uncontrolled descent in the elevator.
• Partly as a result of this incident, Towers 1 and 2 of the World Trade Center were designed to withstand an aircraft impact. However, this design was based on an impact by a Boeing 707 aircraft in common use in the late 1960s and early 1970s, not the larger Boeing 767, two of which, (American Airlines Flight 11 and United Airlines Flight 175), struck the towers on September 11, 2001, resulting in their eventual collapse.

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• Boeing VC-25
• The Boeing VC-25 is the United States Air Force designation for a military version of the Boeing 747 airliner. The A-model (VC-25A) is the only variant of the VC-25.
• The VC-25 is most famous for its role as Air Force One, the call sign of any U.S. Air Force aircraft carrying the President of the United States. The two aircraft currently in U.S. service are highly modified versions of Boeing’s 747-200B, with tail numbers 28000 and 29000.
• Although the Air Force One designation technically applies to the aircraft only while the President is aboard, the term is commonly applied to the VC-25s more generally.
• They often operate in conjunction with Marine One helicopters that ferry the President to airports in circumstances where a vehicle motorcade would be inappropriate.

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• MIG-25
• The Mikoyan-Gurevich MiG-25 is a supersonic interceptor and reconnaissance aircraft that was among the fastest military aircraft to enter service.
• It was designed by the Soviet Union’s Mikoyan-Gurevich bureau. The first prototype flew in 1964, and the aircraft entered into service in 1970.
• It has a top speed of Mach 2.83 (as high as Mach 3.2, but at risk of significant damage to the engines), and features a powerful radar and four air-to-air missiles.
• When first seen in reconnaissance photography, the large wing planform suggested an enormous and highly maneuverable fighter. This was during a period of time when U.S. design theories were also evolving towards higher maneuverability due to combat performance in the Vietnam War.
• The capabilities of the MiG-25 were better understood in 1976 when Soviet pilot Viktor Belenko defected in a MiG-25 to the United States via Japan. It turned out that the weight of the aircraft necessitated large wings.
• Production of the MiG-25 series ended in 1984 after completion of 1,190 aircraft. A symbol of the Cold War, the MiG-25 flew with Soviet allies and former Soviet republics, remaining in limited service in Russia and several other nations.
• It is the second fastest and second highest-flying military aircraft ever fielded after the SR-71 reconnaissance aircraft.

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• USS Terry (DD-25)
• Launched on 21 August 1909 and commissioned on 18 October 1910, the USS Terry (DD-25) was a modified Paulding-class destroyer in the United States Navy during World War I, and later in the United States Coast Guard, designated CG-19. She was the first ship named for Edward Terry.
• During WWI USS Terry patrolled along the Atlantic coast escorting merchantmen bound for Europe. In January 1918, Terry put to sea for operations with the destroyer force based at Queenstown, Ireland where she escorted convoys through the submarine-infested waters surrounding the British Isles.
• In December 1918, Terry returned to the United States, and after 11 months of extremely limited service, she was decommissioned at Philadelphia Navy Yard on 13 November 1919.
• She remained there until she was transferred to the Coast Guard on 7 June 1924. Based in New York, she served as part of the Rum Patrol, until 18 October 1930, when she was returned to the Navy and restored on the Navy list in a decommissioned status, listed as a “vessel to be disposed of by sale or salvage.” On 2 May 1934, Terry was sold for scrapping. Her name was struck from the Naval Vessel Register on 28 June 1934.

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• USS Salt Lake City (CL/CA-25)
• Launched on 23 January 1929 and commissioned on 11 December 1929, the USS Salt Lake City (CL/CA-25) was a Pensacola-class heavy cruiser sometimes known as “Swayback Maru” or “Old Swayback”. She had the (unofficial) distinction of having taken part in more engagements than any other ship in the fleet. She was also the first ship to be named after Salt Lake City, Utah.
• From August–October 1942, Salt Lake City was in the south Pacific to support the campaign to seize and hold Guadalcanal. She escorted Wasp during the landings of 7–8 August and subsequent operations.
• Surviving two atomic bomb blasts, she was decommissioned on 29 August and laid up to await ultimate disposal. She was sunk as a target hull on 25 May 1948, 130 mi (110 nmi; 210 km) off the coast of southern California
• Salt Lake City received 11 battle stars for her World War II service, and a Navy Unit Commendation for her actions during the Aleutian Campaign.

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• USS Potomac (AG-25)
• The USS Potomac (AG-25), formerly USCGC Electra, was Franklin Delano Roosevelt’s presidential yacht from 1936 until his death in 1945.
• On 3 August 1941, she played a decoy role while Roosevelt held a secret conference to develop the Atlantic Charter.
• She is now preserved in Oakland, California, as a National Historic Landmark.

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• USS Copeland (FFG-25)
• The USS Copeland (FFG-25), the first ship of that name in the US Navy, was the seventeenth ship of the Oliver Hazard Perry-class of guided-missile frigates. She was named for Rear Admiral Robert W. Copeland (1910–1973).
• Copeland was launched on 26 July 1980, and commissioned on 7 August 1982.
• Decommissioned and stricken on 18 September 1996, she was transferred to Egypt the same day as Mubarak (F911). After the 2011 revolution the ship was renamed to remove the former ruler’s name. The ship is currenty named Alexandria (F911) and remains in active service with the Egyptian Navy.

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• USS Bainbridge
• The nuclear powered USS Bainbridge (DLGN-25/CGN-25) was initially classed as a guided missile destroyer leader in the United States Navy, and later re-designated as a guided missile cruiser in 1975.
• In 1966–67, 1969, 1970, 1971 and 1972–73, USS Bainbridge was involved Vietnam War combat operations, as well as voyages to Australia, the Indian Ocean and Arabian Sea.
• In 1982 she won the Marjorie Sterrett Battleship Fund Award.
• After receiving her final nuclear refueling overhaul in 1983–85, Bainbridge operations included counter-drug smuggling patrols in the Caribbean, several deployments to northern European waters and four Mediterranean cruises including combat operations off Libya.
• During 1994 she was deployed to support UN resolutions that became part of Operation Sharp Guard, enforcing sanctions against the Former Republic of Yugoslavia and Bosnia.
• Finally deactivated in October 1995, Bainbridge was decommissioned in September 1996 and towed to Bremerton, Washington in mid-1997 where she was put in dry dock to begin “recycling,” the process by which nuclear-powered warships are scrapped.

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• USS Somerset (LPD-25)
• The USS Somerset (LPD-25), a San Antonio-class amphibious transport dock, is the fifth ship of the United States Navy of that name; in this case in honor of Somerset County, Pennsylvania.
• The name honors the passengers of United Airlines Flight 93 whose actions prevented terrorist hijackers from reaching their intended target, forcing the airplane to crash in Stonycreek Township in Somerset County, PA, on September 11, 2001. In the words of Secretary of the Navy Gordon R. England, “The courage and heroism of the people aboard the flight will never be forgotten and USS Somerset will leave a legacy that will never be forgotten by those wishing to do harm to this country.”
• Some 22 tons of steel from a crane that stood near Flight 93’s crash site have been used to construct Somerset’s stemhold.
• She was launched on 14 April 2012, and was christened three months later, on 28 July.

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• HMS Medway
• HMS Medway was the first purpose-built submarine depot ship constructed for the Royal Navy. She was built by Vickers Armstrong at Barrow-in-Furness during the late 1920s. The ship served on the China Station before the Second World War and was transferred to Egypt in early 1940.
• Ordered to evacuate Alexandria in the face of the German advance after the Battle of Gazala in May 1942, Medway sailed for Lebanon at the end of June, escorted by a light cruiser and seven destroyers.
• Despite her strong escort, she was torpedoed and sunk by a German submarine on 30 June.

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• HMS Warwick (D-25)
• HMS Warwick (D-25) was an Admiralty ‘W’ class destroyer built in 1917.
• She saw service in both the First and Second World Wars, before being torpedoed and sunk in February 1944.

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• T-25 Tank
• The T25 Medium Tank was a prototype tank that was produced by the United States during World War II.
• It had an armament consisting of a 90 mm anti-tank gun, two .30 MGs, one mounted coaxially and one in the bow, and a .50 Browning M2 mount on top of the turret. The vehicle had a crew of five, a weight of 35,100 kg, used the same 474 hp, GAN V8 engine as the earlier T23, and had a top speed of 48 km/h.
• The T25 was developed with a variant which itself was virtually the same, the only difference was that the T25 was built with horizontal volute spring suspension, and the variant T25E1 had the torsion bar suspension later adopted for use in the M26. Only 40 T25 and T25E1 prototypes were built.

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• M25 “Three Shot Bazooka”
• Bazooka is the common name for a man-portable recoilless antitank rocket launcher weapon, widely fielded by the United States Army. Also referred to as the “Stovepipe”, the innovative bazooka was among the first-generation of rocket propelled anti-tank weapons used in infantry combat.
• Featuring a solid rocket motor for propulsion, it allowed for high-explosive anti-tank (HEAT) warheads to be delivered against armored vehicles, machine gun nests, and fortified bunkers at ranges beyond that of a standard thrown grenade or mine. The Bazooka also fired a HESH round, effective against buildings and tank armour.
• The universally-applied nickname arose from the M1 variant’s vague resemblance to the musical instrument called a “bazooka” invented and popularized by 1930s U.S. comedian Bob Burns.
• The M25 “Three Shot Bazooka” was an experimental tripod mounted rocket launcher with overhead magazine circa 1955.

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• Remington R-25
• The Remington R-25 is a hi-tech hunting rifle that uses the direct-impingement gas system, where gas is ported down a tube into the action and the bolt carrier is cycled via the gas blowing the carrier off the tube.
• The upper and lower receivers are made from aluminum forgings, and the handguard is turned aluminum, all impervious to the weather; climate changes will have no effect on accuracy or bedding.
• Additionally, the R-25 has a Mossy Oak Treestand coating, so if you aren’t careful in the woods, you may spend some time hunting for the rifle you set down while doing something else.
• The magazine holds four rounds, a prudent choice since the purpose of the R-25 is hunting.

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• Glock 25
• The Glock 25 in low-recoil .380 AUTO was introduced in 1995 in Germany. This small-dimension firearm was developed for markets where civilian personnel are not allowed to possess handguns featuring military calibers.
• In the USA, the G25 .380 AUTO is reserved for law enforcement agencies only.

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• Zastava P25
• The Zastava P25, manufactured by Zastava Arms of Serbia and nicknamed the Dark Lady, is a blowback-operated, single-action, semi-automatic pocket pistol chambered in .25 ACP.
• The pistol frame is made of aluminum alloy and the barrel is made of alloy steel, while the handgrips are usually made of walnut or polymer materials.
• The P25 is aimed extensively at the civilian market as a self-defense weapon due to its concealability, but is somewhat less favorable compared to the M57, M88 and CZ 99 pistols due to its small caliber.

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• A&K SR-25
• The A&K SR-25 Full Metal AEG is very accurate and a good  range for this type of weapon It is semi and full auto capable and has a 300rd High Capacity magazine and fast rate of fire
• This airsoft sniper rifle is built like a tank, with a full metal upper and lower receiver and a full metal rail system. The A&K SR-25 performs better than almost all other SR-25 AEGs on the market, and includes more accessories than any other SR-25 AEG.

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• K-25
• K-25 is a former uranium enrichment facility of the Manhattan Project which used the gaseous diffusion method. The plant is located in Oak Ridge, Tennessee, on the southwestern end of the Oak Ridge Reservation.

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In other stuff

• Illinois is the 25th largest state in America.
• Nashville, Tennessee is the 25th largest city in the United States by size of population.
• South Africa is the 25th largest Country in the world by area.
• France is the 25th richest country in the world, based on Gross Domestic Product (PPP) Per Capita 2009-2013.
• There are 25 cents in a quarter.

• A ‘Pony’ is British slang for £25.
• Christmas Day is December 25
• 25 is the number of years of marriage marked in a silver wedding anniversary.
• 25 is the name of the national card game of Ireland related to the classic Spanish game of ombre. It was played under the name maw by the British King James I and was later called spoil five from one of its principal objectives. From it derives the Canadian game of forty-fives.
• Pachisi, which is Hindi for 25, is the name of the national board game of India.

• “twentyfive”, is a design studio in the Czech Republic
• 25 is the total number of playable characters in Mario Kart Wii and Super Smash Bros. Melee.
• “25 boy” (read as “two-five boy”), in Cantonese Chinese, is a slang term meaning “traitor” as used in the Chinese movie Over the Edge.
• 25 random things about me, an Internet meme utilizing Facebook’s Notes feature
• 25 is the usual minimum age for car rental in most countries.
• “Under 25″ provides a common cut-off point for designating youth.
• The year 25 BC was a leap year.
• 25 Burgers opened its first Location in Bound Brook NJI in the Spring of 2009, serving 25 Choices of Fresh Made to Order Gourmet Burgers in a Clean and Friendly Environment.

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# Significant Number Factoid Friday – Today The Number Is Ten 10

“Fight Against Stupidity And Bureaucracy”

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Welcome to another significant number factoid Friday.

Today’s significant number is Ten, one of the most important and widely used of all the numbers.

This is just a small selection of what Ten gets up to, but there’s still a lot of stuff in here so brace yourselves for a long read.

Enjoy.

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## The Number Ten 10

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In religion

• The number 10 is used 244 times in the Bible.
• The 10th word of the King James Version of Genesis is “earth”
• The number ten signifies perfection; it is the combination of the number seven which embraces all created things, and the trinity of the Creator.
• The Bible records 10 generations between Adam and Noah, and 10 generations between Noah and Abraham.
• The 10th Book of Enoch Archangel Uriel warns Noah about Flood.
• Noah waited 10 months for the water to recede after the Flood.
• The Ten Commandments of Exodus and Deuteronomy are considered a cornerstone of Judaism and Christianity.

• Ten Plagues were inflicted on Egypt in Exodus 7-12, sent by God by the intermediary of Moses: the water changed into blood, there were plagues of frogs, midges, big flies, then a plague on the animals, an epidemic of ulcer and tumours, hail and thunder, grasshoppers, three days of darkness, and finally the death of the firstborn in each Egyptian family.
• People traditionally tithed one-tenth of their produce. The practice of tithing is still common in Christian churches today, though it is disputed in some circles as to whether or not it is required of Christians.
• In Deuteronomy 26:12, the Torah commands Jews to give one-tenth of their produce to the poor (Maaser Ani). From this verse and from an earlier verse (Deut. 14:22) there derives a practice for Jews to give one-tenth of all earnings to the poor.
• There are said to be Ten Lost Tribes of Israel (those other than Judah and Benjamin).
• The Beast of the Revelation has ten horns each with ten diadems. (Rv 13, 1)
• There were ten nations whose hostility towards Israel was constant. (Ps 83,7-9)
• God moved back the shadow on the sundial of Ahaz by ten degrees as a sign that He was going to deliver Hezekiah from his mortal sickness and the city where he was. (Is 38,1-8)
• Christ’s parable of the 10 virgins (5 wise & 5 foolish) in Matthew 25.1-13 symbolizes our 5 inner & outer senses.
• Christ healed 10 lepers in a village, but only one turned back to thank him and with a loud voice glorified God. (Luke 17.12)
• The Holy Spirit descended on the apostles ten days after the Ascension of Jesus.
• Jews observe the annual Ten Days of Repentance beginning on Rosh Hashanah and ending on Yom Kippur.
• In Judaism, ten men are the required quorum, called a minyan, for prayer services.

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In mathematics

• 10 Squared equals 100
• 10 Cubed equals 1000
• 10 Factorial or 10! equals 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 = 3,628,800
• A Decagon is a polygon of 10 sides.
• 10 is the base of the decimal system.
• Ten is the sum of the first three prime numbers, of the four first numbers (1 + 2 + 3 + 4), of the square of the two first odd numbers and also of the first four factorials (0! + 1! + 2! + 3!).
• Magic square of 10:

1 4 2 3
2 3 1 4
3 2 4 1
4 1 3 2

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In science

• 10 is the Atomic Number of Neon (Ne).
• There are 10 hydrogen atoms in butane, a hydrocarbon.
• Primates have 10 fingers.
• The human foot has 10 toes.
• There are 10 spacetime dimensions in some superstring theories.

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In space

• Messier object M10, a magnitude 6.4 globular cluster in the constellation Ophiuchus.

• The New General Catalogue object NGC 10, a magnitude 12.5 spiral galaxy in the constellation Sculptor.

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• Apollo 10 was the fourth manned mission in the United States Apollo space program. It was an F type mission, its purpose being a “dry run” for the Apollo 11 mission, testing all of the procedures and components of a Moon landing without actually landing on the Moon itself.
• The mission included the second crew to orbit the Moon and an all-up test of the lunar module (LM) in lunar orbit. The LM came to within 8.4 nautical miles (15.6 km) of the lunar surface during practice maneuvers.

• According to the 2002 Guinness World Records, Apollo 10 set the record for the highest speed attained by a manned vehicle at 39,897 km/h (11.08 km/s or 24,791 mph) during the return from the Moon on May 26, 1969.
• Due to the use of their names as call signs, the Peanuts characters Charlie Brown and Snoopy became semi-official mascots for the mission. Peanuts creator Charles Schulz also drew some special mission-related artwork for NASA.

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In politics

• John Tyler (March 29, 1790 – January 18, 1862) was the tenth President of the United States (1841–1845). A native of Virginia, Tyler served as a state legislator, governor, U.S. representative, and U.S. senator before being elected Vice President in 1840.
• He was the first to succeed to the office of President on the death of the incumbent, succeeding William Henry Harrison.
• Tyler’s opposition to federalism and emphatic support of states’ rights endeared him to his fellow Virginians but alienated him from most of the political allies that brought him to power in Washington.
• His presidency was crippled by opposition from both parties, and near the end of his life he would side with the South in its secession from the United States.

• Virginia is the tenth state in the Union.
• Canada is made up of 10 Provinces:  Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, Quebec, and Saskatchewan. There are also three territories, Northwest Territories, Nunavut, and Yukon. (The major difference between a Canadian province and a territory is that provinces are jurisdictions that receive their power and authority directly from the Constitution Act, 1867, whereas territories derive their mandates and powers from the federal government.)

• Number 10 Downing Street is the official residence of the British Prime Minister.

• The tenth French department is Aube.
• There are 10 regions in Ghana.

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In sport

• In the Olympics, 10 is the highest score for a gymnastic event, attained by Nadia Comaneci in 1976, and Mary Lou Retton in 1984.
• The Decathlon is a 10-event athletic contest consisting of 100-meter, 400-meter, and 1500-meter runs, 110-meter high hurdles, javelin & discus throws, shot put, pole vault, high jump, and long jump.
• In ten-pin bowling, 10 pins are arranged in a triangular pattern and there are 10 frames per game.

• In American football, the end zones are 10 yards deep.
• In baseball, 10 is the minimum number of players on the field at any given time during play (including the batter).
• In basketball the top of the rim is 10 feet from the floor.
• In standard full-court basketball, there are 10 players on the court (5 on each team).
• In cricket, 10 is the number of wickets required to be taken by the bowling side for the batting side to be bowled out.
• In gridiron football, 10 is the number of yards the offense must advance to maintain possession in a single set of downs—four in American and three in Canadian.
• In rugby union, the starting fly-half wears the 10 shirt.

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• The jersey number 10 has been retired by several North American sports teams in honor of past playing greats or other key figures:
• In Major League Baseball by the Chicago Cubs for Hall of Famer Ron Santo; the Cincinnati Reds for Hall of Fame manager Sparky Anderson; the Kansas City Royals for manager Dick Howser; the Minnesota Twins for manager Tom Kelly; the Montreal Expos (now the Washington Nationals) first for Rusty Staub and later for Hall of Famer Andre Dawson; the New York Yankees for Hall of Famer Phil Rizzuto; the St. Louis Cardinals for manager Tony La Russa; the Atlanta Braves have announced they will retire the number for Chipper Jones on June 28, 2013.
• In the NBA the Boston Celtics for Jo Jo White; the Chicago Bulls for Bob Love; the Detroit Pistons for Hall of Famer Dennis Rodman; the Miami Heat for Tim Hardaway; the New York Knicks for Hall of Famer Walt Frazier; the Philadelphia 76ers for Maurice Cheeks; the Seattle SuperSonics (now the Oklahoma City Thunder) for Nate McMillan; the Washington Wizards for Hall of Famer Earl Monroe, who played for the team in its past incarnation as the Baltimore Bullets.
• In the NFL the Atlanta Falcons for Steve Bartkowski; the Minnesota Vikings for Hall of Famer Fran Tarkenton.
• In the NHL the Carolina Hurricanes for Hall of Famer Ron Francis; the Detroit Red Wings for Hall of Famer Alex Delvecchio; the Montreal Canadiens for Hall of Famer Guy Lafleur; the first NHL incarnation of the Winnipeg Jets for Hall of Famer Dale Hawerchuk.

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In books, music, TV and movies

• Ten has appeared in the titles of many songs including
• “Ten Long Years” by B.B. King and Eric Clapton;
• “Perfect Ten” by The Beautiful South;
• “Ten Cent Pistol” by The Black Keys;
• “Clock Strikes Ten” by Cheap Trick;
• “Eight By Ten” by Ken Dodd;
• “Ten Years Gone” by Led Zeppelin;
• “Ten Ton Hammer” by Machine Head;
• “Ten Cents A Dance” Richard Rodgers performed perhaps most famously by Ella Fitzgerald;
• “Force Ten” by Rush;
• “Ten with a Two” Willie Nelson;
• “Ten Foot Pole” by ZZ Top;
• “Ten Green Bottles” Traditional British children’s song, very much similar in theme to the US “99 Bottles Of Beer”
• and “Ten Feet Tall” by XTC.
• “Ten lords a-leaping” is the gift on the tenth day of Christmas in the carol “The Twelve Days of Christmas”

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• On TV there have been:
• A series on HBO entitled “1st & Ten” which aired between December 1984 and January 1991.
• A series on ESPN and ESPN2 entitled 1st and 10 which launched on ESPN in October 2003 to 2008 and moved to ESPN2 from 2008 to present.
• A 1977 short documentary film “Powers of Ten” depicts the relative scale of the Universe in factors of ten (orders of magnitude).
• A game show on CBS called “Power of 10”, where the player’s prize goes up and down by either the previous or next power of ten.
• and, “Ten Chances” is one the pricing games on “The Price is Right”.

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• Movies with “10” in their titles include,
• “10”
• “10 Things I Hate About You”
• “10 to Midnight”
• “The Whole Ten Yards”
• “10 Items or Less”
• “Ten Little Indians”
• “10 Rillington Place”
• “The 10th Victim”
• “3:10 to Yuma”
• “The Ten”
• and, “The Ten Commandments”

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In militaria

• To reduce something by one-tenth is to decimate. (In ancient Rome, the killing of one in ten soldiers in a cohort was the punishment for cowardice or mutiny; or, one-tenth of the able-bodied men in a village as a form of retribution, thus causing a labor shortage and threat of starvation in agrarian societies.)

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• USS Annapolis (PG-10)
• The first USS Annapolis (PG-10/IX-1) was a gunboat in the United States Navy. She was named for Annapolis, Maryland.
• She took part in the Spanish-American War and later was sent to the Far East and then central American waters.

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• USS Maine (BB-10)
• USS Maine (BB-10), the lead ship of her class of battleships, was the second ship of the United States Navy to be named in honor of the 23rd state.
• She was launched on 27 July 1901 and during WWI operated along the east coast where she trained engineers, armed guard crews, and midshipmen.
• Later Maine operated with ships of the Atlantic Fleet until 15 May 1920, when she decommissioned at Philadelphia Navy Yard.

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• The USS Bridgeport (AD-10/ID-3009) was a destroyer tender used by the United States Navy during World War I and the years after.
• Originally she had been built in 1901 at Vegesack, Germany as SS Breslau of the North German Lloyd lines as a steel-hulled passenger and cargo steamship.
• Interned at New Orleans, Louisiana at the outbreak of World War I, Breslau was seized in 1917 by the United States after her entry into the war and commissioned into the Navy as USS Bridgeport.
• Originally slated to be a repair ship, she was reclassified as a destroyer tender the following year. Bridgeport completed several transatlantic convoy crossings before she was stationed at Brest, France, where she remained in a support role after the end of World War I. After returning to the United States in November 1919, she spent the next five years along the East Coast and in the Caribbean tending destroyers and conducting training missions.
• She was decommissioned in November 1924 and placed in reserve at the Boston Navy Yard.

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• USS L-10 (SS-50)
• The USS L-10 (SS-50) was an L-class submarine of the United States Navy. She was assigned to the Atlantic Submarine Flotilla and operated along the United States East Coast until April 1917 developing new techniques or undersea warfare.
• Following the United States’s entry into World War I, she was used to protect Allied shipping lanes to Europe.
• She was decommissioned at Philadelphia on 5 May 1922

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• USS Barnegat (AVP-10)
• The second USS Barnegat (AVP-10), operated from 1941 to 1946, was the lead ship of her class of small seaplane tenders built for the United States Navy just before and during World War II.
• First operating in the North Atlantic she provided not only tender services but salvage and logistic support as well.
• Later she participated in Operation Torch, the Allied landings in French North Africa.
• From June 1943–May 1944 she transferred to the South Atlantic, reporting for duty with Fleet Air Wing (FAW) 16. Her arrival coincided with the opening shots of a local German submarine “blitz” against coastal shipping; the day before, the German U-boat U-513 had torpedoed the steamer SS Venetia.
• She was decommissioned on 17 May 1946.

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• USS Yorktown (CV-10)
• The USS Yorktown (CV/CVA/CVS-10) is one of 24 Essex-class aircraft carriers built during World War II for the United States Navy. She is named after the Battle of Yorktown of the American Revolutionary War, and is the fourth U.S. Navy ship to bear the name. Initially to have been named Bon Homme Richard, she was renamed Yorktown while under construction to commemorate USS Yorktown (CV-5), lost at the Battle of Midway in June 1942.
• Yorktown was commissioned in April 1943, and participated in several campaigns in the Pacific Theater of Operations, earning 11 battle stars and the Presidential Unit Citation.
• Decommissioned shortly after the end of the war, she was modernized and recommissioned in the early 1950s as an attack carrier (CVA), and then eventually became an antisubmarine carrier (CVS). She was recommissioned too late to participate in the Korean War but served for many years in the Pacific, including duty in the Vietnam War, in which she earned five battle stars.
• Late in her career she served as a recovery ship for the Apollo 8 space mission, was used in the movie Tora! Tora! Tora! which recreated the Japanese attack on Pearl Harbor and in the science fiction film The Philadelphia Experiment.
• Yorktown was decommissioned in 1970 and in 1975 became a museum ship at Patriot’s Point, Mount Pleasant, South Carolina.
• She is a National Historic Landmark.

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• USNS Bridge (T-AOE-10)
• USNS Bridge is the fourth ship in the Supply class of fast combat support ships and the second ship in the Navy named after Commodore Horatio Bridge.

• USS Sampson (DDG-10)
• The USS Sampson (DDG-10), named for Admiral William T. Sampson USN (1840–1902), was a Charles F. Adams-class guided missile destroyer launched on 21 May 1960 commissioned on 24 June 1961.
• She was tasked with operations in the Atlantic and Caribbean and the Mediterranean.
• Sampson was decommissioned on 24 June 1991 exactly 30 years after commissioning.

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• USS Tripoli (LPH-10)
• The USS Tripoli (LPH-10), is an Iwo Jima-class amphibious assault ship launched on 31 July 1965. She was named for the Battle of Tripoli Harbor.
• She took part in three tours during the Vietnam war and has more recently operated in the Middle East.
• She was decommissioned in 1995.

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• USS Juneau (LPD-10)
• The USS Juneau (LPD-10) is an Austin-class amphibious transport dock, and the third ship of the United States Navy to be named for the capital of Alaska.
• The ship entered service on 12 July 1969, and participated in the Vietnam War, was command ship for the response to the Exxon Valdez oil spill, transported troops to the Persian Gulf for Operation Desert Storm, and was part of the attempted US response to Cyclone Nargis.
• Juneau was decommissioned in 2008, and is part of the National Defense Reserve Fleet.

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• USS Warrior (MCM-10)
• The USS Warrior (MCM-10) is an Avenger-class mine countermeasures ship launched on 8 December 1990, and was commissioned on 7 April 1993.
• The Avenger-class ships were designed to have very low acoustic and magnetic signatures to avoid detonating mines. While most modern warships have steel hulls, the Avengers have wooden hulls with an external coating of fiberglass. They are equipped with sophisticated mine-hunting and classification sonar as well as remotely-operated mine neutralization and disposal systems.
• On 26 February 2013, 7th Fleet announced that the USS Warrior would be transferred from 5th Fleet in Bahrain to 7th Fleet in Sasebo Japan to replace the USS Guardian, which had recently been decommissioned after running aground in the Philippines.

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• USS Gabrielle Giffords (LCS-10)
• The USS Gabrielle Giffords (LCS-10) which is currently being built by Austal USA, is scheduled to be completed and delivered to the Navy in August of 2015 and will be an Independence-class littoral combat ship of the United States Navy.
• The ship is named after former United States Representative Gabrielle Giffords, who was shot along with eighteen other people during the 2011 shooting in Tucson, Arizona.
• Gabrielle Giffords will be the 15th U.S. naval ship to be named for a woman by the United States Navy. But the name choice has been controversial, with two retired U.S. Navy and U.S. Marine Corps officers criticizing the trend of naming ships for political reasons.

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• Lockheed Model 10 Electra
• The Lockheed Model 10 Electra was a twin-engine, all-metal monoplane airliner developed by the Lockheed Aircraft Corporation in the 1930s to compete with the Boeing 247 and Douglas DC-2.
• It was used both in civilian and military roles.
• The aircraft gained considerable worldwide notoriety when a highly modified version was flown by Amelia Earhart on her ill-fated around-the-world expedition in 1937.

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• McDonnell Douglas DC-10
• The McDonnell Douglas DC-10 is a three-engine widebody jet airliner, capable of carrying a maximum 380 passengers, and used for medium to long-haul flights. Its most distinguishing feature is the two turbofan engines mounted on underwing pylons and a third engine at the base of the vertical stabilizer.
• The model was a successor to McDonnell Douglas’s DC-8 for long-range operations, and competed in the same markets as the Lockheed L-1011 Tristar, which has a similar layout to the DC-10.
• The DC-10 has had an eventful existence, as of January 2012, it has been involved in 56 aviation occurrences, including 32 hull-loss accidents, with 1,262 occupant fatalities. It has been involved in nine hijackings and criminal events resulting in 171 occupant fatalities.
• But despite its troubled beginnings in the 1970s, which gave it an unfavorable reputation, the DC-10 has proved a reliable aircraft, it’s initially poor safety record continuously improved as design flaws were rectified and fleet hours increased. The DC-10’s lifetime safety record is comparable to similar second-generation passenger jets as of 2008.

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• Douglas F-10 Skyknight
• The Douglas F-10 Skyknight was a United States twin-engine, mid-wing jet fighter aircraft manufactured by the Douglas Aircraft Company in El Segundo, California.
• It was designed as a carrier-based all-weather aircraft and saw service with the United States Navy and United States Marine Corps.
• While it never achieved the fame of the North American F-86 Sabre, it did down several Soviet-built MiG-15s as a night fighter over Korea with only one air-to-air loss of its own against a Chinese MiG-15.
• The Skyknight was the only Korean war fighter that also flew in Vietnam (as also did the Douglas A-1 Skyraider attack aircraft). EF-10Bs served in the electronic countermeasures role during the Vietnam War until 1969. The U.S. Marine Corps retired its last EF-10Bs in 1970. Some aircraft continued flying as testbeds for Raytheon until the 1980s.

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• Jianjiji-10 Fighter Aircraft
• The Jianjiji-10 Fighter Aircraft 10 (J-10) “Vigorous Dragon” was part of the development of an indigenous Chinese multi-role fighter equivalent to the Mirage 2000 operated by Taiwan. It is a replacement for the obsolescent Q-5 and J-7 and armed with much improved weapons.
• The J-10 is reportedly similar to the American F-16 and a cancelled Israeli fighter based on the F-16 called the Lavi. Although Israel denies transferring any unauthorized technology, it is known Israeli companies supplied assistance in J-10 development.
• Pakistan also reportedly provided one of its F-16s to China for study, and several Russian engineers who worked on the J-10 indicated a Lavi prototype was located in Chengdu’s facilities.
• The resulting design, very similar to the Lavi externally, features a delta wing with canards mounted just aft of the cockpit.

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• Smith & Wesson Model 10
• The Smith & Wesson Model 10, previously known as the Smith & Wesson .38 Hand Ejector Model of 1899, the Smith & Wesson Military & Police or the Smith & Wesson Victory Model, is a revolver of worldwide popularity.
• It was the successor to the Smith & Wesson .32 Hand Ejector Model of 1896 and was the first Smith & Wesson revolver to feature a cylinder release latch on the left side of the frame like the Colt M1889.
• In production since 1899, it is a six-shot double-action revolver with fixed sights. Over its long production run it has been available with barrel lengths of 2 in (51 mm), 3 in (76 mm), 4 in (100 mm), 5 in (130 mm), and 6 in (150 mm). Barrels of 2.5 inches (64 mm) are also known to have been made for special contracts.
• Some 6,000,000 of the type have been produced over the years, making it the most popular centerfire revolver of the 20th century.

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• Colt model 10 Double Eagle
• The Colt Double Eagle is a double-action / single action, semi-automatic pistol manufactured between 1989 and 1997. It was available in standard full-size, as well as in more compact versions, features a decocking lever, and was chambered for several calibers. The family of models was known as the Series 90.
• The design of the Double Eagle was based on the Colt M1911 pistol. Magazines are single stack and are identical to magazines shipped with the M1911. Most of the Double Eagle models were available in stainless steel only, however the “Lightweight” Officer’s had an alloy frame and blued slide.
• The Double Eagle was chambered for several calibers but the most common are 10mm Auto asn well as the standard .45 ACP and 10mm Auto.

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Other stuff

• Deca- means 10 (Latin, Greek: deka).
• Decade is a period of 10 years.
• U.S. currency: One dime = 10 cents.
• Tin wedding anniversary celebrates 10 years of marriage.
• X is the Roman numeral for 10.
• The Passion Flower (Passiflora) has 10 petals.

• Each of the thirty six parts of the astrological Zodiacs is divides into ten degrees.
• In a standard deck of playing cards there are 10, numbered 1 thru 10, of all four suits.
• Counting from one to ten before speaking is often done in order to cool one’s temper.
• There are ten official inkblots in the Rorschach inkblot test.
• The traditional Snellen chart uses 10 different letters.
• Number of dots in a tetractys.

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