269 270 271
Cardinaltwo hundred seventy
Ordinal270th
(two hundred seventieth)
Factorization2 × 33 × 5
Divisors1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270
Greek numeralΣΟ´
Roman numeralCCLXX
Binary1000011102
Ternary1010003
Senary11306
Octal4168
Duodecimal1A612
Hexadecimal10E16

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

In mathematics

  • 270 is a harmonic divisor number.[1]
  • 270 is the fourth number that is divisible by its average integer divisor.[2]
  • 270 degrees is equal to three-fourths of a turn.[3] This also means that radians.
  • and are both prime numbers, making 270 surrounded by twin primes.[4]

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. "270 degrees". www.geogebra.org.
  4. "Twin prime numbers". mathworld.wolfram.com.
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