273 (number)

← 272 274 → 273
← 200 210 220 230 240 250 260 270 280 290 → List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	Two hundred [and] seventy-three
Ordinal	273rd (Two hundred [and] seventy-third)
Factorization	$273 = 3 \cdot 7 \cdot 13$
Roman numeral	CCLXXIII
Binary	100010001₂
Octal	421₈
Duodecimal	1A9₁₂
Hexadecimal	111₁₆

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

In other fields

273 is also:

The zero of the Celsius temperature scale is (to the nearest whole number) 273 Kelvin. This corresponds with absolute zero (0 K) being approximately -273°C.
American composer John Cage's piano composition 4′33″ consists of 273 seconds (four minutes and 33 seconds) of silence, in three movements.
The year AD 273 and 273 BC.
The death toll of the air crash of American Airlines Flight 191 is 273 people (271 on board,2 on ground).