Names of 81089
| Nominal | 81089 |
| Cardinal | eighty-one thousand eighty-nine |
| Ordinal | 81,089th |
| This number as US currency | eighty-one thousand eighty-nine dollars |
| Is 81089 an odd number? | 81089 is an odd number |
| Is 81089 an even number? | 81089 is NOT an even number |
| Is 81089 a palindrome? | 81089 is NOT a palindrome number |
| Is 81089 a triangle number? | 81089 is NOT a triangle number |
81089 in other Bases
| Base 2 (Binary) | 100111100110000012 |
| Base 3 (Ternary) | 110100200223 |
| Base 4 (Quaternary) | 1033030014 |
| Base 5 (Quinary) | 100433245 |
| Base 6 (Senary) | 14232256 |
| Base 8 (Octal) | 2363018 |
| Base 12 (Duodecimal) | 3AB1512 |
| Base 16 (Hexadecimal) | 13CC116 |
| Base 20 (Vigesimal) | A2E920 |
Primes and Factors tests for 81089
| Is 81089 a Prime Number? | 81089 is NOT a prime |
| Is 81089 a perfect number? | 81089 is NOT a perfect number |
| Is 81089 a Mersenne Prime? | 81089 is NOT a Mersenne prime |
| Is 81089 a Fermat Prime? | 81089 is NOT a Fermat prime |
| Is 81089 a Fibonacci Prime? | 81089 is NOT a Fibonacci prime |
| Is 81089 a Partition Prime? | 81089 is NOT a Partition prime |
| Is 81089 a Pell Prime? | 81089 is NOT a Pell prime |
| Prime Factors | Prime factors of 81089 |
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81089 in other Numerals
| 81089 in Roman Numeral | LXXXMLXXXIX |
| 81089 in Chinese Numeral | 捌萬壹仟捌拾玖 |
| 81089 in Egyptian Numeral | 𓂴𓆼𓎍𓐂 |
| 81089 in Babylonian Numeral |    |
Roots and stuff for 81089
| Is 81089 a square number? | 81089 is NOT a square number |
| Is 81089 a cube number? | 81089 is NOT a cube number |
| Square root of the number 81089 | 284.76130355089 |
| Cube root of the number 81089 | 43.283328248463 |
Recreational math for 81089
| Number 81089 reversed | 98018 |
| Sum of the digits | 26 |
| No of digits | 5 |