Ninety-three (93, XCIII) is the natural number following ninety-two and preceding ninety-four. It is a composite number, with its divisors being 3 and 31, and its factorization is
93 is also:
- The atomic number of neptunium, an actinide.
- The designation of American Interstate 93, a freeway that runs from Massachusetts to Vermont.
- The code for international direct dial phone calls to Afghanistan.
- The number of United Flight 93, which crashed in Pennsylvania, USA on September 11, 2001.