Names of 64640
| Nominal | 64640 |
| Cardinal | sixty-four thousand six hundred forty |
| Ordinal | 64,640th |
| This number as US currency | sixty-four thousand six hundred forty dollars |
| Is 64640 an odd number? | 64640 is NOT an odd number |
| Is 64640 an even number? | 64640 is an even number |
| Is 64640 a palindrome? | 64640 is NOT a palindrome number |
| Is 64640 a triangle number? | 64640 is NOT a triangle number |
64640 in other Bases
| Base 2 (Binary) | 11111100100000002 |
| Base 3 (Ternary) | 100212000023 |
| Base 4 (Quaternary) | 333020004 |
| Base 5 (Quinary) | 40320305 |
| Base 6 (Senary) | 12151326 |
| Base 8 (Octal) | 1762008 |
| Base 12 (Duodecimal) | 314A812 |
| Base 16 (Hexadecimal) | FC8016 |
| Base 20 (Vigesimal) | 81C020 |
Primes and Factors tests for 64640
| Is 64640 a Prime Number? | 64640 is NOT a prime |
| Is 64640 a perfect number? | 64640 is NOT a perfect number |
| Is 64640 a Mersenne Prime? | 64640 is NOT a Mersenne prime |
| Is 64640 a Fermat Prime? | 64640 is NOT a Fermat prime |
| Is 64640 a Fibonacci Prime? | 64640 is NOT a Fibonacci prime |
| Is 64640 a Partition Prime? | 64640 is NOT a Partition prime |
| Is 64640 a Pell Prime? | 64640 is NOT a Pell prime |
| Prime Factors | Prime factors of 64640 |
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64640 in other Numerals
| 64640 in Roman Numeral | LXMVDCXL |
| 64640 in Chinese Numeral | 陸萬肆仟陸佰肆拾 |
| 64640 in Egyptian Numeral | 𓂲𓆿𓍧𓎉 |
| 64640 in Babylonian Numeral |    |
Roots and stuff for 64640
| Is 64640 a square number? | 64640 is NOT a square number |
| Is 64640 a cube number? | 64640 is NOT a cube number |
| Square root of the number 64640 | 254.24397731313 |
| Cube root of the number 64640 | 40.132891341684 |
Recreational math for 64640
| Number 64640 reversed | 04646 |
| Sum of the digits | 20 |
| No of digits | 5 |