115 (number)
115 (one hundred [and] fifteen) is the natural number following 114 and preceding 116.
| 115 | |
|---|---|
| Cardinal | one hundred [and] fifteen |
| Ordinal | 115th (one hundred [and] fifteenth) |
| Numeral system | 114 |
| Factorization |  |
| Divisors | 1, 5, 23, 115 |
| Roman numeral | CXV |
| Binary | 11100112 |
| 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 name of the easter egg song in the Zombie map, Kino Der Toten in Call of Duty: Black Ops