115 (number)

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114 115 116
Cardinal one hundred fifteen
Ordinal 115th
(one hundred and fifteenth)
Factorization 5 × 23
Divisors 1, 5, 23, 115
Roman numeral CXV
Binary 11100112
Ternary 110213
Quaternary 13034
Quinary 4305
Senary 3116
Octal 1638
Duodecimal 9712
Hexadecimal 7316
Vigesimal 5F20
Base 36 3736

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

In mathematics[edit]

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[edit]

115 is also:

See also[edit]