Fourteen is a Composite Number , its proper Divisor s being , , and .
In base fifteen and higher bases (such as Hexadecimal ), fourteen is represented as E.
Fourteen is the sum of the first three Square s, which makes it a Square Pyramidal Number .
This number is the lowest even n for which the equation φ(x) = n has no solution, making it the first even Nontotient (see Euler's Totient Function ).
14 is a Catalan Number , the only Semiprime among all Catalan numbers.
Take a Set of Real Number s and apply the Closure and Complement operations to it in any possible sequence. At most 14 distinct sets can be generated in this way. This holds even if the reals are replaced by a more general Topological Space .
Fourteen is a Keith Number in base 10: 1, 4, 5, 9, 14...
Fourteen is an Open Meandric Number .
Fourteen is a Companion Pell Number .
- The maximum number of electrons that can fit in an f sublevel
- The series which began on -2568 July 31 and ended on -1035 February 6 . The duration of Saros series 14 was 1532.5 years, and it contained 86 solar eclipses.
- Retired number of former baseball stars Pete Rose and Ernie Banks
- Number worn by Ivan Miljković , Serbian volleyball player, considered to be among the best attackers in the world
- The G-14 is a union of eighteen football clubs.
- In Rugby Union the right wing wears the 14 shirt.
- In Football the number of Thierry Henry , considered amongst the best players in the world.
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- A number representing good luck in South America n countries
- The number of days in a Fortnight .
- In traditional British units of Weight , the number of pounds in a Stone .
- A number 'encoded' in a lot of the music of Johann Sebastian Bach . Bach may have considered this number a sort of signature, since given A = 1, B = 2, C = 3, etc., then B + A + C + H = 14 and J + S + B + A + C + H = 41.
- The number of points outlined by president Woodrow Wilson for reconstructing a new Europe following World War I , see Fourteen Points .
- The Fourteen Holy Helpers were a group of Saint s formerly venerated together by Roman Catholics .
- Among Neo-Nazi s to signify the " Fourteen Words ", "We must secure the existence of our people and a future for white children", attributed to David Lane .
- An unlucky number in China. Although 14 is usually said as "shi si," which sounds like "ten die", it can also be said as "yi si," literally "one four." There is also a common way to say "one," and it is "yao." Thus, 14 can also be said as "yao si," literally "one four," but it also means "want to die."
- The section that you go to when you die in the Grailquest books
- The number of a Mexican Street Gang , the Norteños . It designates N, the fourteenth letter of the alphabet, which stands for "Northerner".
- The number of legs on a Pillbug , as well as on Hallucigenia .
- Historical years: , 14 B.C. , or 1914
- A common designation for the Thirteenth Floor in many buildings for Superstitious reasons
- The number of fonts included in a standard installation of Adobe Acrobat or Acrobat Reader (called "Base 14 fonts"). This set is the same as Base 13 fonts with the addition of Zapf Dingbats .
- The number of Muqatta'at in the Qur'an.
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