63 (sixty-three) is a positive integer following 62 and preceding 64. Its ordinal form is written "sixty-third" or 63rd.

Properties Edit

63 is an odd composite number.

In googology Edit

In Greek-based number-naming systems, 63 is associated with prefix "triahexaconta-", and with prefix "tresexaginti-" in Latin systems.

The Fish numbers are heavily based on the number 63.