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# 270 (number)

 ← 269 270 271 →
Cardinaltwo hundred seventy
Ordinal270th
(two hundred seventieth)
Factorization2 × 33× 5
Greek numeralΣΟ´
Roman numeralCCLXX
Binary1000011102
Ternary1010003
Quaternary100324
Quinary20405
Senary11306
Octal4168
Duodecimal1A612
VigesimalDA20
Base 367I36

270 (two hundred [and] seventy) is the natural number following 269 and preceding 271.

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## Integers from 271 to 279

### 272

272 = 24·17, sum of four consecutive primes (61 + 67 + 71 + 73), Euler number, primitive semiperfect number, pronic number

275 = 52·11

### 278

278 = 2·139, nontotient

### 279

279 = 32·31 Every positive integer is the sum of at most 279 eighth powers. See Waring's problem.

## References

1. ^ Sloane, N. J. A. (ed.). "Sequence A001599 (Harmonic or Ore numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
2. ^ Sloane, N. J. A. (ed.). "Sequence A007340". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
3. ^ Sloane, N. J. A. (ed.). "Sequence A003483". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.