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273 (Number)Two hundred seventy-three (273, CCLXXIII) is a natural number that comes after 272 and before 274. It is a sphenic number, and a repdigit in base 9 (333), base 16 (111), base 20 (DD or 13 13), base 38 (77), and base 90 (33). 273 is also: - The zero of the Celsius temperature scale is (to the nearest whole number) 273 kelvins
- American composer John Cage's piano composition 4'33" consists of 273 seconds (four minutes and 33 seconds) of silence, in three movements.
This article is about the number 273. For the year AD 273, see 273.
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