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# 50 (number)

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Cardinal | fifty | |||

Ordinal |
50th (fiftieth) | |||

Factorization |
2 · 5^{2} | |||

Divisors | 1, 2, 5, 10, 25, 50 | |||

Roman numeral | L | |||

Unicode symbol(s) | ↆ | |||

Binary |
110010_{2} | |||

Ternary |
1212_{3} | |||

Quaternary |
302_{4} | |||

Quinary |
200_{5} | |||

Senary |
122_{6} | |||

Octal |
62_{8} | |||

Duodecimal |
42_{12} | |||

Hexadecimal |
32_{16} | |||

Vigesimal |
2A_{20} | |||

Base 36 |
1E_{36} |

**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=1^{2}+7^{2}=5^{2}+5^{2}. Also, 50 is one-half of 100 or half of a century (a century is 100 years).