|Factorization||2 × 41|
|Divisors||1, 2, 41, 82|
- the twenty-third biprime and the twelfth of the form (2.q).
- a companion Pell number.
- a happy number.
- palindromic in bases 3 (100013), 9 (1019) and 40 (2240).
- 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
Eighty-two is also:
- 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 (Matt Dillon) car in Herbie: Fully Loaded (2005).
- The second studio album by African electropop outfit Just a Band (2009).
- The number (*82) 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".
- 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.