104 (number)

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

← 103 105 → 104
← 100 101 102 103 104 105 106 107 108 109 → List of numbers — Integers ← 100 110 120 130 140 150 160 170 180 190 →
Cardinal	one hundred [and] four
Ordinal	104th (one hundred [and] fourth)
Numeral system	104
Factorization	$2^3 \cdot 13$
Divisors	1, 2, 4, 8, 13, 26, 52, 104
Roman numeral	CIV
Binary	11010002
Octal	1508
Duodecimal	8812
Hexadecimal	6816

In mathematics

One hundred [and] four 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 Symphonies written by Joseph Haydn on which numbers are agreed upon (though in fact, he wrote more: see list of symphonies by Joseph Haydn).

See also

• List of highways numbered 104
• UFC 104

References

• Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 133