Two hundred seventy-three (273, CCLXXIII) is a natural number. Its factorization is
making it a sphenic number.
273 is also:
- The zero of the Celsius temperature scale is (to the nearest whole number) 273 Kelvin
- American composer John Cage's piano composition 4'33" consists of 273 seconds (four minutes and 33 seconds) of silence, in three movements.
See also: integer, list of numbers, two hundred.
This article is about the number 273. For the year AD 273, see 273.