Names of 81401
| Nominal | 81401 |
| Cardinal | eighty-one thousand four hundred one |
| Ordinal | 81,401st |
| This number as US currency | eighty-one thousand four hundred one dollars |
| Is 81401 an odd number? | 81401 is an odd number |
| Is 81401 an even number? | 81401 is NOT an even number |
| Is 81401 a palindrome? | 81401 is NOT a palindrome number |
| Is 81401 a triangle number? | 81401 is NOT a triangle number |
81401 in other Bases
| Base 2 (Binary) | 100111101111110012 |
| Base 3 (Ternary) | 110101222123 |
| Base 4 (Quaternary) | 1033133214 |
| Base 5 (Quinary) | 101011015 |
| Base 6 (Senary) | 14245056 |
| Base 8 (Octal) | 2367718 |
| Base 12 (Duodecimal) | 3B13512 |
| Base 16 (Hexadecimal) | 13DF916 |
| Base 20 (Vigesimal) | A3A120 |
Primes and Factors tests for 81401
| Is 81401 a Prime Number? | 81401 is a prime |
| Is 81401 a perfect number? | 81401 is NOT a perfect number |
| Is 81401 a Mersenne Prime? | 81401 is NOT a Mersenne prime |
| Is 81401 a Fermat Prime? | 81401 is NOT a Fermat prime |
| Is 81401 a Fibonacci Prime? | 81401 is NOT a Fibonacci prime |
| Is 81401 a Partition Prime? | 81401 is NOT a Partition prime |
| Is 81401 a Pell Prime? | 81401 is NOT a Pell prime |
| Prime Factors | Prime factors of 81401 |
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81401 in other Numerals
| 81401 in Roman Numeral | LXXXMCDI |
| 81401 in Chinese Numeral | 捌萬壹仟肆佰壹 |
| 81401 in Egyptian Numeral | 𓂴𓆼𓍥𓏺 |
| 81401 in Babylonian Numeral |    |
Roots and stuff for 81401
| Is 81401 a square number? | 81401 is NOT a square number |
| Is 81401 a cube number? | 81401 is NOT a cube number |
| Square root of the number 81401 | 285.30860484745 |
| Cube root of the number 81401 | 43.338769863607 |
Recreational math for 81401
| Number 81401 reversed | 10418 |
| Sum of the digits | 14 |
| No of digits | 5 |