50 (number)

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
← 49 50 51 →
Cardinalfifty
Ordinal50th
(fiftieth)
Numeral systemquinquagesimal
Factorization2 × 52
Divisors1, 2, 5, 10, 25, 50
Greek numeralΝ´
Roman numeralL
Unicode symbol(s)
Binary1100102
Ternary12123
Quaternary3024
Quinary2005
Senary1226
Octal628
Duodecimal4212
Hexadecimal3216
Vigesimal2A20
Base 361E36

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

The prime factors of fifty are 2 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).