124 (number)

From Wikipedia, the free encyclopedia

← 123 124 125 →
120 121 122 123 124 125 126 127 128 129
List of numbersIntegers
0 100 200 300 400 500 600 700 800 900
Cardinalone hundred twenty-four
Ordinal124th
(one hundred twenty-fourth)
Factorization22 × 31
Divisors1, 2, 4, 31, 62, 124
Greek numeralΡΚΔ´
Roman numeralCXXIV
Binary11111002
Ternary111213
Octal1748
DuodecimalA412
Hexadecimal7C16

124 (one hundred [and] twenty-four) is the natural number following 123 and preceding 125.

In mathematics[]

124 is the sum of eight consecutive primes (5 + 7 + 11 + 13 + 17 + 19 + 23 + 29). It is a nontotient since there is no integer with 124 coprimes below it. It is an untouchable number since there is no integer whose proper divisors add up to 124.[1]

In base 5 it is a repdigit (4445).

In the military[]

  • AN/FPS-124 radar system used by the United States and Canada military via NORAD
  • Douglas C-124 Globemaster II was a heavy-lift military transport aircraft
  • Sikorsky CH-124 Sea King twin-engined anti-submarine warfare (ASW) helicopter
  • US Air Force's 124th Wing Air National Guard unit based out of Gowen Field, Boise, Idaho
  • USNS Mission San Gabriel (AO-124) Mission Buenaventura-class fleet oilers during World War II
  • USS Threat (AM-124) was a United States Navy Auk-class minesweeper
  • VF-124 Gunfighters was the pacific fleet F-8
  • Marine Attack Squadron 124 was a fighter squadron in the United States Marine Forces Reserve based out of Naval Air Station Memphis
  • The medical emergency telephone number in Bosnia and Herzegovina

In transportation[]

  • The Fiat 124 Sedan produced from 1966 to 1974
  • The Fiat 124 Coupé produced from 1967 to 1975
  • The Fiat 124 Sport Spider convertible produced from 1966 to 1985
  • The Mercedes-Benz W124 produced from 1984 to 1997
  • London Buses route 124 is a Transport for London contracted bus route in London
  • STS-124 was a Space Shuttle Discovery mission to the International Space Station in 2008
  • The Antonov An-124 heavy lift aircraft

In other fields[]

124 is also:

  • The year AD 124 or 124 BC
  • 124 AH is a year in the Islamic calendar that corresponds to 741–742 CE
  • 124 Alkeste is a Main belt asteroid discovered in 1872
  • The atomic number of the yet-to-be-discovered element unbiquadium
  • Sonnet 124 by William Shakespeare

See also[]

References[]

  1. ^ "Sloane's A005114 : Untouchable numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved May 27, 2016.
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