80 (number)

CardinaleightyOrdinal80th
(eightieth)Numeral systemoctogesimalFactorization2 × 5Divisors1, 2, 4, 5, 8, 10, 16, 20, 40, 80 (10)Greek numeralΠ´Roman numeralLXXX, lxxxBinary1010000₂Ternary2222₃Senary212₆Octal120₈Duodecimal68₁₂Hexadecimal50₁₆ArmenianՁHebrewפ / ףBabylonian numeral𒐕⟪Egyptian hieroglyph𓎍

80 (eighty) is the natural number following 79 and preceding 81.