85 (number)
85 is the natural number following 84 and preceding 86.
| |||
| Cardinal | eighty-five | ||
| Ordinal | 86th (eighty-fifth) | ||
| Factorization | |||
| Roman numeral | LXXXV | ||
| Binary | 01010101 | ||
| Hexadecimal | 55 | ||
Eighty-five is an octahedral number, and a decagonal number.
It is also:
- the atomic number of astatine (At)
- the model number of SU-85
- the number of the French department VendÃÂée
- the designation of Interstate 85, a freeway that runs from Alabama to Virginia; the European route E85 from KlaipÃÂéda to AlexandropoÃÂúli
- The year AD 85, 85 BC, or 1985.