50 (number)

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49 50 51
Cardinal fifty
Ordinal 50th
(fiftieth)
Factorization 2 · 52
Divisors 1, 2, 5, 10, 25, 50
Roman numeral L
Unicode symbol(s)
Binary 1100102
Ternary 12123
Quaternary 3024
Quinary 2005
Senary 1226
Octal 628
Duodecimal 4212
Hexadecimal 3216
Vigesimal 2A20
Base 36 1E36

Fifty is the integer that is after forty-nine and before fifty-one.

The prime factors of fifty are 2, 5, and 5. (2 * 5 * 5 = 50) The factors of 50 are 1, 2, 5, 10, 25, and 50. 5*10=50. 50 is the smallest number that can be written as the sum of two squares in two distinct ways: 50=12+72=52+52. Also, 50 is one-half of 100 or half of a century (a century is 100 years).