273 (number)
Encyclopedia
273 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).
Natural number
In mathematics, the natural numbers are the ordinary whole numbers used for counting and ordering . These purposes are related to the linguistic notions of cardinal and ordinal numbers, respectively...
following 272 and preceding 274.
It is a sphenic number
Sphenic number
In number theory, a sphenic number is a positive integer which is the product of three distinct prime numbers.Note that this definition is more stringent than simply requiring the integer to have exactly three prime factors; e.g. 60 = 22 × 3 × 5 has exactly 3 prime factors, but is not sphenic.All...
, and a repdigit
Repdigit
In recreational mathematics, a repdigit is a natural number composed of repeated instances of the same digit, most often in the decimal numeral system....
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 CelsiusCelsiusCelsius is a scale and unit of measurement for temperature. It is named after the Swedish astronomer Anders Celsius , who developed a similar temperature scale two years before his death...
temperature scale is (to the nearest whole number) 273 KelvinKelvinThe kelvin is a unit of measurement for temperature. It is one of the seven base units in the International System of Units and is assigned the unit symbol K. The Kelvin scale is an absolute, thermodynamic temperature scale using as its null point absolute zero, the temperature at which all...
. This corresponds with absolute zeroAbsolute zeroAbsolute zero is the theoretical temperature at which entropy reaches its minimum value. The laws of thermodynamics state that absolute zero cannot be reached using only thermodynamic means....
(0 K) being approximately -273°C. - American composerComposerA composer is a person who creates music, either by musical notation or oral tradition, for interpretation and performance, or through direct manipulation of sonic material through electronic media...
John CageJohn CageJohn Milton Cage Jr. was an American composer, music theorist, writer, philosopher and artist. A pioneer of indeterminacy in music, electroacoustic music, and non-standard use of musical instruments, Cage was one of the leading figures of the post-war avant-garde...
's piano composition 4′33″ consists of 273 seconds (four minutes and 33 seconds) of silence, in three movements. - The year AD 273273Year 273 was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Tacitus and Placidianus...
and 273 BC273 BCYear 273 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Licinus and Canina...
. - The death tollDeath TollDeath Toll is a 2008 action film starring DMX, Lou Diamond Phillips, Leila Arcieri and Keshia Knight Pulliam, written and produced by Daniel Garcia of the rap group Kane & Abel and directed by Phenomenon...
of the air crash of American Airlines Flight 191American Airlines Flight 191American Airlines Flight 191 was a regularly scheduled passenger flight in the United States from O'Hare International Airport in Chicago, Illinois, to Los Angeles International Airport. On May 25, 1979, the McDonnell Douglas DC-10-10 operating the route crashed moments after takeoff from Chicago....
is 273 people (271 on board,2 on ground).