233 (number)
From HandWiki
Short description: Natural number
| ||||
---|---|---|---|---|
Cardinal | two hundred thirty-three | |||
Ordinal | 233rd (two hundred thirty-third) | |||
Factorization | prime | |||
Prime | yes | |||
Greek numeral | ΣΛΓ´ | |||
Roman numeral | CCXXXIII | |||
Binary | 111010012 | |||
Ternary | 221223 | |||
Quaternary | 32214 | |||
Quinary | 14135 | |||
Senary | 10256 | |||
Octal | 3518 | |||
Duodecimal | 17512 | |||
Hexadecimal | E916 | |||
Vigesimal | BD20 | |||
Base 36 | 6H36 |
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]
References
- ↑ Sloane, N. J. A., ed. "Sequence A000040 (The prime numbers)". OEIS Foundation. https://oeis.org/A000040.
- ↑ Sloane, N. J. A., ed. "Sequence A005384 (Sophie Germain primes p: 2p+1 is also prime)". OEIS Foundation. https://oeis.org/A005384.
- ↑ Sloane, N. J. A., ed. "Sequence A063980 (Pillai primes)". OEIS Foundation. https://oeis.org/A063980.
- ↑ Sloane, N. J. A., ed. "Sequence A104272 (Ramanujan primes)". OEIS Foundation. https://oeis.org/A104272.
- ↑ Sloane, N. J. A., ed. "Sequence A000045 (Fibonacci numbers)". OEIS Foundation. https://oeis.org/A000045.
- ↑ Sloane, N. J. A., ed. "Sequence A005478 (Prime Fibonacci numbers)". OEIS Foundation. https://oeis.org/A005478.
- ↑ Sloane, N. J. A., ed. "Sequence A000109 (Number of simplicial polyhedra with n nodes)". OEIS Foundation. https://oeis.org/A000109.
- ↑ Sloane, N. J. A., ed. "Sequence A001929 (Number of connected topologies on n labeled points)". OEIS Foundation. https://oeis.org/A001929.
Original source: https://en.wikipedia.org/wiki/233 (number).
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