Back 233 (عدد) Arabic 233 (ədəd) Azerbaijani ۲۳۳ (سایی) AZB 233 (число) Bulgarian 233 CDO ٢٣٣ (ژمارە) CKB 233 (číslo) Czech 233 (nùmer) EML Berrehun eta hogeita hamahiru Basque ۲۳۳ (عدد) Persian
| ||||
|---|---|---|---|---|
| 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 | |||
233 (two hundred [and] thirty-three) is the natural number following 232 and preceding 234.
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.
- ^ Sloane, N. J. A. (ed.). "Sequence A000040 (The prime numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A005384 (Sophie Germain primes p: 2p+1 is also prime)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A063980 (Pillai primes)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A104272 (Ramanujan primes)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A000045 (Fibonacci numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A005478 (Prime Fibonacci numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A000109 (Number of simplicial polyhedra with n nodes)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A001929 (Number of connected topologies on n labeled points)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.