115 (number)

115 (one hundred [and] fifteen) is the natural number following 114 and preceding 116.

← 114 115 116 →
← 110 111 112 113 114 115 116 117 118 119 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred [and] fifteen
Ordinal	th
Numeral system	114
Factorization	$5\cdot 23$
Divisors	1, 5, 23, 115
Greek numeral	ΡΙΕ´
Roman numeral	CXV
Binary	11100112
Ternary	110213
Senary	3116
Octal	1638
Duodecimal	9712
Hexadecimal	7316

In mathematics

115 is a heptagonal pyramidal number and a lucky number. Because 115 has an odd number of 1s in its binary representation, it is sometimes called an "odious number."

In other fields

115 is also:

• The atomic number of an element temporarily called ununpentium.
• The fire service emergency number in Mauritius
• The number 115 is commonly used in the Call of Duty series, to refer to the element ununpentium. This element is used to reanimate dead bodies into zombies. It is also the name of an easter egg song in the Zombie map, Kino Der Toten, in Call of Duty: Black Ops.

See also

• Element 115 in popular culture
• List of highways numbered 115
• National longevity recordholders
• Oldest people