Ninety-eight (98, XCVIII) is the natural number following ninety-seven and preceding ninety-nine. It is a composite number, with its divisors being 2, 7, 14, and 49; its factorization is

Ninety-eight is also:

  • The atomic number of californium, an actinide.
  • In the name of the band 98 Degrees.
  • The number of sons of Ater in the Census of men of Israel upon return from exile (Holy Bible, Ezra 2:16)

This article is about the number. For the year AD 98, see 98.