164 (number)

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Short description: Natural number
← 163 164 165 →
Cardinalone hundred sixty-four
Ordinal164th
(one hundred sixty-fourth)
Factorization22 × 41
Divisors1, 2, 4, 41, 82, 164
Greek numeralΡΞΔ´
Roman numeralCLXIV
Binary101001002
Ternary200023
Quaternary22104
Quinary11245
Senary4326
Octal2448
Duodecimal11812
HexadecimalA416
Vigesimal8420
Base 364K36

164 (one hundred [and] sixty-four) is the natural number following 163 and preceding 165.

In mathematics

164 is a zero of the Mertens function.

In base 10, 164 is the smallest number that can be expressed as a concatenation of two squares in two different ways: as 1 concatenate 64 or 16 concatenate 4.

In astronomy

In geography

  • Chaplin no. 164, Saskatchewan in Saskatchewan, Canada

In the military

In sports

  • Baseball Talk was a set of 164 talking baseball cards released by Topps Baseball Card Company in 1989


In transportation

  • Caproni Ca.164 was a training biplane produced in Italy prior to World War II
  • The Alfa Romeo 164 car produced from 1988 to 1997
  • The Volvo 164 car produced from 1968 to 1975
  • List of highways numbered 164
  • Is a London Transport bus route running between Sutton and Wimbledon


In other fields

164 is also:

  • The year AD 164 or 164 BC
  • 164 AH is a year in the Islamic calendar that corresponds to 780 – 781 CE
  • The Scrabble board, a 15-by-15 grid, includes 164 squares that have neither word nor letter multiplier. The remainder have attributes such as double letter, triple letter, double word, and triple word
  • The atomic number of an element temporarily called Unhexquadium
  • Solvent Red 164 is a synthetic red diazo dye
  • E.164 is an ITU-T recommendation defines public telecommunication numbering plan used in the PSTN and data networks

See also

  • United States Supreme Court cases, Volume 164
  • United Nations Security Council Resolution 164

External links