Names of 13981
| Nominal | 13981 |
| Cardinal | thirteen thousand nine hundred eighty-one |
| Ordinal | 13,981st |
| This number as US currency | thirteen thousand nine hundred eighty-one dollars |
| Is 13981 an odd number? | 13981 is an odd number |
| Is 13981 an even number? | 13981 is NOT an even number |
| Is 13981 a palindrome? | 13981 is NOT a palindrome number |
| Is 13981 a triangle number? | 13981 is NOT a triangle number |
13981 in other Bases
| Base 2 (Binary) | 110110100111012 |
| Base 3 (Ternary) | 2010112113 |
| Base 4 (Quaternary) | 31221314 |
| Base 5 (Quinary) | 4214115 |
| Base 6 (Senary) | 1444216 |
| Base 8 (Octal) | 332358 |
| Base 12 (Duodecimal) | 811112 |
| Base 16 (Hexadecimal) | 369D16 |
| Base 20 (Vigesimal) | 1EJ120 |
Primes and Factors tests for 13981
| Is 13981 a Prime Number? | 13981 is NOT a prime |
| Is 13981 a perfect number? | 13981 is NOT a perfect number |
| Is 13981 a Mersenne Prime? | 13981 is NOT a Mersenne prime |
| Is 13981 a Fermat Prime? | 13981 is NOT a Fermat prime |
| Is 13981 a Fibonacci Prime? | 13981 is NOT a Fibonacci prime |
| Is 13981 a Partition Prime? | 13981 is NOT a Partition prime |
| Is 13981 a Pell Prime? | 13981 is NOT a Pell prime |
| Prime Factors | Prime factors of 13981 |
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13981 in other Numerals
| 13981 in Roman Numeral | XMMMCMLXXXI |
| 13981 in Chinese Numeral | 壹萬叄仟玖佰捌拾壹 |
| 13981 in Egyptian Numeral | 𓂭𓆾𓍪𓎍𓏺 |
| 13981 in Babylonian Numeral |    |
Roots and stuff for 13981
| Is 13981 a square number? | 13981 is NOT a square number |
| Is 13981 a cube number? | 13981 is NOT a cube number |
| Square root of the number 13981 | 118.24127874816 |
| Cube root of the number 13981 | 24.090514681181 |
Recreational math for 13981
| Number 13981 reversed | 18931 |
| Sum of the digits | 22 |
| No of digits | 5 |