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258 (number)

From Wikipedia, the free encyclopedia

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

← 257 258 259 →
Cardinaltwo hundred fifty-eight
Ordinal258th
(two hundred fifty-eighth)
Factorization2 × 3 × 43
Divisors1, 2, 3, 6, 43, 86, 129, 258
Greek numeralΣΝΗ´
Roman numeralCCLVIII
Binary1000000102
Ternary1001203
Senary11106
Octal4028
Duodecimal19612
Hexadecimal10216

In mathematics

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258 is:

References

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  1. ^ "Sloane's A007304 : Sphenic numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-04-21.
  2. ^ "Sloane's A005277 : Nontotients". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-04-20.
  3. ^ "Sloane's A002858 : Ulam numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-04-21.