200 = 23 x 52.
200 has two representations as a sum of two squares: 200 = 22 + 142 = 102 + 102.
200 is a divisor of 492 - 1.
200 is the smallest unprimeable number. It cannot be turned into a prime number by changing just one of its digits to any other digit.
200 is 404 in base 7 and 242 in base 9.
An ice hockey rink is 200 feet long and 85 feet wide. Olympic-sized rinks are 100 feet wide.Source: Number Gossip
