233 (number)
Natural number
From Wikipedia, the free encyclopedia
233 (two hundred [and] thirty-three) is the natural number following 232 and preceding 234.
| ||||
|---|---|---|---|---|
| Cardinal | two hundred thirty-three | |||
| Ordinal | 233rd (two hundred thirty-third) | |||
| Factorization | prime | |||
| Prime | yes | |||
| Greek numeral | ΣΛΓ´ | |||
| Roman numeral | CCXXXIII, ccxxxiii | |||
| Binary | 111010012 | |||
| Ternary | 221223 | |||
| Senary | 10256 | |||
| Octal | 3518 | |||
| Duodecimal | 17512 | |||
| Hexadecimal | E916 | |||
Additionally:
- 233 is a prime number[1]
- 233 is a Sophie Germain prime,[2] a Pillai prime,[3] and a Ramanujan prime[4]
- It is a Fibonacci number,[5] one of the Fibonacci primes[6]
- There are exactly 233 maximal planar graphs with ten vertices,[7] and 233 connected topological spaces with four points[8]
- It is the hypotenuse of a primitive Pythagorean triple: 2332 = 1052 + 2082.
