One hundred four

One hundred four (also One hundred and four) (104, CIV) is the natural number following one hundred three and preceding one hundred five. It is a composite number, with its divisors being 2, 4, 8, 13, 26 and 52, and its factorization is:

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.

One hundred four is also:

• The atomic number of rutherfordium.
• 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).

This article is about the number. For the year AD 104, see 104.