ⓘ 104 (number)

104 (number)

ⓘ 104 (number)

104 is a primitive semiperfect number and a composite number, with its divisors being 1, 2, 4, 8, 13, 26, 52 and 104. As it has 8 divisors total, and 8 is one of those divisors, 104 is a refactorable number. The distinct prime factors of 104 add up to 15, and so do the ones of 105, hence the two numbers form a Ruth-Aaron pair under the first definition.

In regular geometry, 104 is the smallest number of unit line segments that can exist in a plane with four of them touching at every vertex.


1. In other fields

104 is also:

  • Cent Quatre, an arts centre in Paris.
  • The number of guns on Admiral Horatio Nelsons flagship HMS Victory.
  • The number of keys on a standard Windows keyboard.
  • The number of Symphonies written by Joseph Haydn upon which numbers are agreed though in fact, he wrote more: see list of symphonies by Joseph Haydn.
  • The number of Corinthian columns in the Temple of Olympian Zeus, the largest temple ever built in Greece.
  • Route 104 is a numbered State Highway running 13.4 miles 21.6 km in Rhode Island. It runs from US 44 in North Providence to Worrall Street in Downtown
  • The British Rail Class 104 diesel multiple units were built by Birmingham Railway Carriage and Wagon Company from 1957 to 1959. The first units ordered
  • The Pennsylvania State Game Lands Number 104 are Pennsylvania State Game Lands in Bedford and Somerset Counties in Pennsylvania in the United States providing
  • natural number following 104 and preceding 106. 105 is a triangular number a dodecagonal number and the first Zeisel number It is a sphenic number and
  • USS Sterett DDG - 104 is a Flight IIA Arleigh Burke - class guided missile destroyer of the United States Navy. USS Sterett is the fourth ship of the U
  • Comparison of Saloon and Coupe models The Peugeot 104 is a city car designed by Paolo Martin and produced by the French car manufacturer Peugeot between
  • M 104 or M - 104 may refer to: Sombrero Galaxy, called M 104 by Messier number M 104 group of galaxies HMS Walney M 104 a British warship M 104 Wolverine
  • highways are numbered 104 A: Maryland Route 104 A New York State Route 104 A County Route 104 A Suffolk County, New York Vermont Route 104 A List of highways
  • Route 104 is a 12.54 - mile 20.18 km west east highway in southeastern Massachusetts. Route 104 begins at U.S. Route 44 in Taunton. The highway crosses
  • The Agusta A. 104 Helicar was an Italian prototype light commercial helicopter first flown in December 1960. The A. 104 was a slightly enlarged version of
  • Clara, California. See Penitencia Creek VTA Route 104 to Kennedy Town in Hong Kong. See List of bus routes in Hong Kong. List of highways numbered 104

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