80 (number)

← 79 80 81 →
Cardinaleighty
Ordinal80th
(eightieth)
Factorization24 × 5
Divisors1, 2, 4, 5, 8, 10, 16, 20, 40, 80
Greek numeralΠ´
Roman numeralLXXX
Binary10100002
Ternary22223
Senary2126
Octal1208
Duodecimal6812
Hexadecimal5016
ArmenianՁ
Hebrewפ / ף
Babylonian numeral𒐕⟪
Egyptian hieroglyph𓎍

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