104 (number)

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

103 104 105
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Cardinalone hundred four
Ordinal104th
(one hundred fourth)
Factorization23 × 13
Divisors1, 2, 4, 8, 13, 26, 52, 104
Greek numeralΡΔ´
Roman numeralCIV
Binary11010002
Ternary102123
Quaternary12204
Quinary4045
Senary2526
Octal1508
Duodecimal8812
Hexadecimal6816
Vigesimal5420
Base 362W36

In mathematics

104 is a primitive semiperfect number[1] 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

In other fields

104 is also:

See also

References

  1. "Sloane's A006036 : Primitive pseudoperfect numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.
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