273_(number)

273 (number)

273 (number)

Natural number

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

Quick Facts ← 272 273 274 →, Cardinal ...

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 Celsius temperature scale is (to the nearest whole number) 273 kelvins. Thus, absolute zero (0 K) is approximately −273 °C.[3] The freezing temperature of water and the thermodynamic temperature of the triple point of water are both approximately 0 °C or 273 K.[4][5]

References

  1. [1]
    Sloane, N. J. A. (ed.). "Sequence A051937 (Truncated triangular pyramid numbers))". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  2. [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. [3]
    James Shipman; Jerry Wilson; Charles Higgins (2012), An Introduction to Physical Science (13th ed.), Cengage Learning, p. 107, ISBN 9781133104094.
  4. [4]
    Larry Kirkpatrick; Gregory Francis (2006), Physics: A World View (6th ed.), Cengage Learning, p. 219, ISBN 9780495010883.
  5. [5]
    Alphonso Hendricks; Loganathan Subramony; Charmaine Van Blerk (1999), Physics for Engineering, Juta and Company Ltd, p. 229, ISBN 9780702144080.
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