5 (number)  From Wikipedia, the free encyclopedia   (Redirected
from ) Jump to: navigation, search This article is about the
number five. For the year AD 5, see 5. For other uses of 5, see
5 (disambiguation). 4 5 6 −1 0 1 2 3 4 5 6 7 8 9 Cardinal five
Ordinal 5th Numeral system quinary Factorization prime Divisors
1, 5 Roman numeral V Roman numeral (unicode) Ⅴ, ⅴ Greek prefix
penta-/pent- Latin prefix quinque-/quinqu-/quint- Binary 1012
Ternary 123 Quaternary 114 Quinary 105 Senary 56 Octal 58
Duodecimal 512 Hexadecimal 516 Vigesimal 520 Base 36 536 Greek ε
(or Ε) Arabic ٥,5 Persian ۵ Urdu ۵ Chinese numeral 五，伍 Korean
다섯,오 Devanāgarī (panch) Hebrew ה (Hey)  5 (five /ˈfv/) is a
number, numeral, and glyph. It is the natural number following 4
and preceding 6.  In mathematics[edit]  Five is the third prime
number. Because it can be written as 221+1, five is classified
as a Fermat prime; therefore a regular polygon with 5 sides (a
regular pentagon) is constructible with compass and unmarked
straightedge. 5 is the