99 (number) - Definition and Overview

99 is the natural number following 98 and preceding 100.

Ninety-nine is the ninth repdigit, a palindromic number and a Kaprekar number.

Ninety-nine is also:

• Often used as a qualifier for something which is almost but not quite certain: "Ninety-nine per cent sure."
• The atomic number of einsteinium, an actinide.
• The designation of American Interstate 99, a freeway in Pennsylvania, planned to be extended into New York.
• A card game.
• In the TV show Get Smart, the codename of Agent 99.
• In the title of the Nena song 99 Luftballons (99 Red Balloons).
• The uniform number of retired NHL player Wayne Gretzky.
• The year AD 99, 99 BC, or 1999.
• Another name for the 99 Flake, a popular kind of ice cream cone.
• The name of an Australian indie band
• This number is used as a business practice to persuade that a product is less then $1.00 and therefore its worthy to buy.