Names of 981
| Nominal | 981 |
| Cardinal | nine hundred eighty-one |
| Ordinal | 981st |
| This number as US currency | nine hundred eighty-one dollars |
| Is 981 an odd number? | 981 is an odd number |
| Is 981 an even number? | 981 is NOT an even number |
| Is 981 a palindrome? | 981 is NOT a palindrome number |
| Is 981 a triangle number? | 981 is NOT a triangle number |
981 in other Bases
| Base 2 (Binary) | 11110101012 |
| Base 3 (Ternary) | 11001003 |
| Base 4 (Quaternary) | 331114 |
| Base 5 (Quinary) | 124115 |
| Base 6 (Senary) | 43136 |
| Base 8 (Octal) | 17258 |
| Base 12 (Duodecimal) | 69912 |
| Base 16 (Hexadecimal) | 3D516 |
| Base 20 (Vigesimal) | 29120 |
Primes and Factors tests for 981
| Is 981 a Prime Number? | 981 is NOT a prime |
| Is 981 a perfect number? | 981 is NOT a perfect number |
| Is 981 a Mersenne Prime? | 981 is NOT a Mersenne prime |
| Is 981 a Fermat Prime? | 981 is NOT a Fermat prime |
| Is 981 a Fibonacci Prime? | 981 is NOT a Fibonacci prime |
| Is 981 a Partition Prime? | 981 is NOT a Partition prime |
| Is 981 a Pell Prime? | 981 is NOT a Pell prime |
| Prime Factors | Prime factors of 981 |
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981 in other Numerals
| 981 in Roman Numeral | CMLXXXI |
| 981 in Chinese Numeral | 玖佰捌拾壹 |
| 981 in Egyptian Numeral | 𓍪𓎍𓏺 |
| 981 in Babylonian Numeral |   |
Roots and stuff for 981
| Is 981 a square number? | 981 is NOT a square number |
| Is 981 a cube number? | 981 is NOT a cube number |
| Square root of the number 981 | 31.320919526732 |
| Cube root of the number 981 | 9.9362612672164 |
Recreational math for 981
| Number 981 reversed | 189 |
| Sum of the digits | 18 |
| No of digits | 3 |