45 (number)

This article is about the number 45. For the year, see 45.
← 44 45 46 →
Cardinalforty-five
Ordinal45th
(forty-fifth)
Factorization32× 5
Greek numeralΜΕ´
Roman numeralXLV
Binary1011012
Ternary12003
Quaternary2314
Quinary1405
Senary1136
Octal558
Duodecimal3912
Hexadecimal2D16
Vigesimal2520
Base 361936

45 (forty-five) is a number. It comes between forty-four and forty-six, and is an odd number. It is divisible by 1, 3, 5, 9, 15, and 45.

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