131
Everything about the number 131 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 131
| Nominal | 131 |
| Cardinal | one hundred thirty-one |
| Ordinal | 131st |
| This number as US currency | one hundred thirty-one dollars |
Properties (and some facts) of 131
| Is 131 an odd number? | 131 is an odd number |
| Is 131 an even number? | 131 is not an even number |
| Is 131 a palindrome? | 131 is a palindrome |
| Is 131 a triangle number? | 131 is not a triangle number |
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131 in other bases
| Base 2 (Binary) | 10000011 |
| Base 3 (Ternary) | 11212 |
| Base 4 (Quaternary) | 2003 |
| Base 5 (Quinary) | 1011 |
| Base 6 (Senary) | 335 |
| Base 8 (Octal) | 203 |
| Base 12 (Duodecimal) | AB |
| Base 16 (Hexadecimal) | 83 |
| Base 20 (Vigesimal) | 6B |
Primes and factors tests for 131
| Is 131 a prime number? | 131 is a prime number |
| Is 131 a perfect number? | 131 is not a perfect number |
| Is 131 a Mersenne prime? | 131 is not a Mersenne prime |
| Is 131 a Fermat prime? | 131 is not a Fermat prime |
| Is 131 a Fibonacci prime? | 131 is not a Fibonacci prime |
| Is 131 a partition prime? | 131 is not a partition prime |
| Is 131 a Pell prime? | 131 is not a Pell prime |
| Prime Factors | Prime factors of 131 |
131 in other numeral systems
| 131 in Roman numerals | CXXXI |
| 131 in Chinese numerals | 壹佰叄拾壹 |
| 131 in Babylonian numerals |   |
| 131 in Egyptian numerals | 𓍢𓎈𓏺 |
Roots and squares for 131
| Is 131 a square number? | 131 is not a square number |
| Is 131 a cube number? | 131 is not a cube number |
| Square root of 131 | 11.44552314226 |
| Cube root of 131 | 5.0787530781327 |
Recreational math for 131
| Number 131 reversed | 131 |
| Sum of the digits | 5 |
| Number of digits | 3 |
Arithmetic tables for 131
Other pages about 131
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