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104 (number)

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104
  
105 →

Factorization
  
2× 13

Cardinal
  
one hundred four

Roman numeral
  
CIV

Ordinal
  
104th (one hundred and fourth)

Divisors
  
1, 2, 4, 8, 13, 26, 52, 104

104 (one hundred [and] four) is the natural number following 103 and preceding 105.

Contents

In mathematics

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.

In science

  • The atomic number of rutherfordium.
  • Number of degrees Fahrenheit corresponding to 40 Celsius.

    • In other fields

    104 is also:

  • The number of Corinthian columns in the Temple of Olympian Zeus, the largest temple ever built in Greece.
  • The number of guns on Admiral Horatio Nelson's 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).
  • Cent Quatre, an arts centre in Paris.

    • References

    104 (number) Wikipedia
    (Text) CC BY-SA