Eighty-two (82, LXXXII) is the natural number following eighty-one and preceeding eighty-three. It is a companion Pell number.
- Hexadecimal: 52
- Binary: 01010010
- Factors: 1, 2, 41, 82
- Factorization:
- Ordinal number: eighty-second
- the atomic number of lead (Pb)
- the model number of: Mark 82 bomb, a nonguided general purpose bomb
- the Messier number of the M82 galaxy
- the number of the French department Tarn-et-Garonne
- the code for international direct dial phone calls to South Korea
- the year AD 82 or AD 1982.