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73 (number)

← 72 73 74 →
Cardinal seventy-three
Ordinal 73rd
(seventy-third)
Factorization prime
Prime 21st
Divisors 1, 73
Roman numeral LXXIII
Binary 10010012
Ternary 22013
Quaternary 10214
Quinary 2435
Senary 2016
Octal 1118
Duodecimal 6112
Hexadecimal 4916
Vigesimal 3D20
Base 36 2136

73 (seventy-three) is the natural number following 72 and preceding 74. In English, it is the smallest natural number with twelve letters in its spelled out name.

73 is:

Also:

In astronomy,

73 is also:


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