(63, LXIII) is a natural number
and preceding sixty-four
. It is a composite number
with the divisors being 3, 7, 9 and 21. Its factorization
- The atomic number of europium, a lanthanide.
- The code for international direct dial calls to the Philippines.
- The registry of the U.S. Navy's aircraft carrier USS Kitty Hawk (CV-63).
This article is about the number 63. For the year AD 63, see 63