233 (number)

233 (two hundred [and] thirty-three) is the natural number following 232 and preceding 234.

← 232 233 234 →
← 230 231 232 233 234 235 236 237 238 239 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
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.