258 (number)

Updated on Dec 04, 2023

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258 259 → Roman numeral CCLVIII		Factorization 2 × 3 × 43
Cardinal two hundred fifty-eight Ordinal 258th (two hundred and fifty-eighth) Divisors 1, 2, 3, 6, 43, 86, 129, 258

258 (two hundred [and] fifty-eight) is the natural number following 257 and preceding 259.

In mathematics

258 is:

a sphenic number

a nontotient

the sum of four consecutive prime numbers because 258 = 59 + 61 + 67 + 71

6³ + 6² + 6

an Ulam number

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