5 (number)

:This article discusses the number five. For the year 5 AD, see 5. For other uses of 5, see 5 (disambiguation)

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5 (five) is a number, numeral, and glyph. It is the natural number following 4 and preceding 6.

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The SI prefix for 10005 is peta (P), and for its reciprocal femto (f).

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Five is the third smallest prime number, after 2 and 3, and before 7. Because it can be written as 2^(2^1)+1, five is classified as a Fermat prime. 5 is the third Sophie Germain prime, the first safe prime, and the third Mersenne prime exponent. Five is the first Wilson prime and the third factorial prime. It is an Eisenstein prime with no imaginary part and real part of the form 3n - 1.

5: :This article is about the year 5 AD. For the number 5, see 5 (number). For other uses of 5, see 5 (disambiguation)...

5 (disambiguation): 5 and five may mean:...

Numeral: The term numeral can refer to:...

5 (number) related Images and Photos (experimental)

Number 8 1949	Number 36	Number 23	Number 25
Number 23 (BD)	Number 18 1950	ABBA: Number Ones CD	ABBA: Number Ones CD
Number 23, The (DVD) (WS) (Rated/Unrated)	Summertime: Number 9A 1948	Tree Number Two	Gangster Number 1