80 (number)

← 79 80 81 →
Cardinaleighty
Ordinal80th
(eightieth)
Factorization24× 5
Greek numeralΠ´
Roman numeralLXXX
Binary10100002
Ternary22223
Quaternary11004
Quinary3105
Senary2126
Octal1208
Duodecimal6812
Hexadecimal5016
Vigesimal4020
Base 362836

80 (eighty) is an even number. It is divisible by 1, 2, 4, 5, 8, 10, 16, 20, 40, and 80. It comes after 79 and before 81.

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