Names of 81004
| Nominal | 81004 |
| Cardinal | eighty-one thousand four |
| Ordinal | 81,004th |
| This number as US currency | eighty-one thousand four dollars |
| Is 81004 an odd number? | 81004 is NOT an odd number |
| Is 81004 an even number? | 81004 is an even number |
| Is 81004 a palindrome? | 81004 is NOT a palindrome number |
| Is 81004 a triangle number? | 81004 is NOT a triangle number |
81004 in other Bases
| Base 2 (Binary) | 100111100011011002 |
| Base 3 (Ternary) | 110100100113 |
| Base 4 (Quaternary) | 1033012304 |
| Base 5 (Quinary) | 100430045 |
| Base 6 (Senary) | 14230046 |
| Base 8 (Octal) | 2361548 |
| Base 12 (Duodecimal) | 3AA6412 |
| Base 16 (Hexadecimal) | 13C6C16 |
| Base 20 (Vigesimal) | A2A420 |
Primes and Factors tests for 81004
| Is 81004 a Prime Number? | 81004 is NOT a prime |
| Is 81004 a perfect number? | 81004 is NOT a perfect number |
| Is 81004 a Mersenne Prime? | 81004 is NOT a Mersenne prime |
| Is 81004 a Fermat Prime? | 81004 is NOT a Fermat prime |
| Is 81004 a Fibonacci Prime? | 81004 is NOT a Fibonacci prime |
| Is 81004 a Partition Prime? | 81004 is NOT a Partition prime |
| Is 81004 a Pell Prime? | 81004 is NOT a Pell prime |
| Prime Factors | Prime factors of 81004 |
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81004 in other Numerals
| 81004 in Roman Numeral | LXXXMIV |
| 81004 in Chinese Numeral | 捌萬壹仟肆 |
| 81004 in Egyptian Numeral | 𓂴𓆼𓏽 |
| 81004 in Babylonian Numeral |    |
Roots and stuff for 81004
| Is 81004 a square number? | 81004 is NOT a square number |
| Is 81004 a cube number? | 81004 is NOT a cube number |
| Square root of the number 81004 | 284.61201661209 |
| Cube root of the number 81004 | 43.268199319509 |
Recreational math for 81004
| Number 81004 reversed | 40018 |
| Sum of the digits | 13 |
| No of digits | 5 |