113 (number)
Natural number
From Wikipedia, the free encyclopedia
113 (one hundred [and] thirteen) is the natural number following 112 and preceding 114.
| ||||
|---|---|---|---|---|
| Cardinal | one hundred thirteen | |||
| Ordinal | 113th (one hundred thirteenth) | |||
| Factorization | prime | |||
| Prime | 30th | |||
| Divisors | 1, 113 | |||
| Greek numeral | ΡÎδ | |||
| Roman numeral | CXIII, cxiii | |||
| Binary | 11100012 | |||
| Ternary | 110123 | |||
| Senary | 3056 | |||
| Octal | 1618 | |||
| Duodecimal | 9512 | |||
| Hexadecimal | 7116 | |||
Mathematics
- 113 is the 30th prime number (following 109 and preceding 127), so it can only be divided by one and itself. 113 is a Sophie Germain prime,[1] an emirp, an isolated prime, a Chen prime[2] and a Proth prime as it is a prime number of the form 113 is also an Eisenstein prime with no imaginary part and real part of the form . In decimal, this prime is a primeval number[3] and a permutable prime with 131 and 311.
- 113 is a highly cototient number[4] and a centered square number.[5]
- 113 is the denominator of 355/113, an accurate approximation to Ï.
- is the smallest generalized Fermat prime with odd base and .[6]
Other uses
- 113 is also the atomic number of nihonium.
- A113 is a Pixar recurring inside joke or Easter Egg, e.g.: (WALL-E) = (W-A113).
- 113 is the first full-sized Bluebird bus at Essex North Shore Agricultural and Technical High School