82 (number)

In mathematics

• the twenty-third biprime and the twelfth of the form.
• a companion Pell number.
• a happy number.
• palindromic in bases 3, 9 and 40.

  In astronomy

• Messier 82, a starburst galaxy in the constellation Ursa Major
• The New General Catalogue object NGC 82, a single star in the constellation Andromeda

  In other fields

• The atomic number of lead.
• In physics, the sixth Magic Number.
• The model number of: Mark 82 bomb, a nonguided general-purpose bomb.
• The number of the French department Tarn-et-Garonne.
• The code for international direct dial phone calls to South Korea.
• The ISBN Group Identifier for books published in Norway.
• Title of Dennis Smith's book about firefighters: Report from Engine Co. 82.
• The year AD 82, 82 BC, or 1982.
• The number of Trip Murphy's car in .
• The second studio album by African electropop outfit Just a Band.
• The number to unblock your caller ID for phones that block anonymous incoming calls.
• The very significant number that appears at the end of Kurt Vonnegut's book "Hocus Pocus".

  In sports

• Both the NBA and NHL operate 82-game regular seasons.
• In Major League Baseball, the number of games a team must win to secure a winning season.