273 (number)

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273 (two hundred [and] seventy-three) is the natural number following 272 and preceding 274.

← 272 273 274 →
Cardinaltwo hundred seventy-three
Ordinal273rd
(two hundred seventy-third)
Factorization3 × 7 × 13
Greek numeralΣΟΓ´
Roman numeralCCLXXIII
Binary1000100012
Ternary1010103
Senary11336
Octal4218
Duodecimal1A912
Hexadecimal11116

273 is a sphenic number, a truncated triangular pyramid number[1] and an idoneal number. There are 273 different ternary trees with five nodes.[2]

In other fields

The zero of the

triple point of water are both approximately 0 °C or 273 K.[4][5]

References

  1. ^ Sloane, N. J. A. (ed.). "Sequence A051937 (Truncated triangular pyramid numbers))". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  2. ^ Sloane, N. J. A. (ed.). "Sequence A001764 (Binomial(3n,n)/(2n+1) (enumerates ternary trees and also noncrossing trees))". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  3. ISBN 9781133104094
    .
  4. ISBN 9780495010883
    .
  5. ISBN 9780702144080
    .
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