90 (number)

← 89 90 91 →
Cardinalninety
Ordinal90th
(ninetieth)
Factorization2 × 32× 5
Greek numeralϞ´
Roman numeralXC
Binary10110102
Ternary101003
Quaternary11224
Quinary3305
Senary2306
Octal1328
Duodecimal7612
Hexadecimal5A16
Vigesimal4A20
Base 362I36

90 (ninety) is an even number. It is divisible by 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90.


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