Eighty-five

• Hexadecimal: 55
• Binary: 01010101
• Factors: 1, 5, 17, 85.
• Factorization:
• Ordinal number: eighty-fifth

• the atomic number of astatine (At)
• the model number of SU-85
• the number of the French department Vendée
• the designation of Interstate 85, a freeway that runs from Alabama to Virginia; the European route E85 from Klaipéda to Alexandropoúli
• the year AD 85 or AD 1985.