99 = 32 x 11.
99 is a Kaprekar number. Consider an n-digit number k. Square it and add the right n digits to the left n or n – 1 digits. If the resultant sum is k, then k is called a Kaprekar number.
992 = 9801
98 + 01 = 99
The first few Kaprekar numbers are 1, 9, 45, 55, 99, 297, 703, . . .
99 is 1100011 in base 2 (binary).
99 is the maximum jersey number a player can wear in the National Football League.
Agent 99 was a character played by Barbara Feldon on the 1965-70 television show Get Smart and by Anne Hathaway in the 2008 movie version.
Sources: Number Gossip; Wolfram MathWorld
