Names of 6640
| Nominal | 6640 |
| Cardinal | six thousand six hundred forty |
| Ordinal | 6,640th |
| This number as US currency | six thousand six hundred forty dollars |
| Is 6640 an odd number? | 6640 is NOT an odd number |
| Is 6640 an even number? | 6640 is an even number |
| Is 6640 a palindrome? | 6640 is NOT a palindrome number |
| Is 6640 a triangle number? | 6640 is NOT a triangle number |
6640 in other Bases
| Base 2 (Binary) | 11001111100002 |
| Base 3 (Ternary) | 1000022213 |
| Base 4 (Quaternary) | 12133004 |
| Base 5 (Quinary) | 2030305 |
| Base 6 (Senary) | 504246 |
| Base 8 (Octal) | 147608 |
| Base 12 (Duodecimal) | 3A1412 |
| Base 16 (Hexadecimal) | 19F016 |
| Base 20 (Vigesimal) | GC020 |
Primes and Factors tests for 6640
| Is 6640 a Prime Number? | 6640 is NOT a prime |
| Is 6640 a perfect number? | 6640 is NOT a perfect number |
| Is 6640 a Mersenne Prime? | 6640 is NOT a Mersenne prime |
| Is 6640 a Fermat Prime? | 6640 is NOT a Fermat prime |
| Is 6640 a Fibonacci Prime? | 6640 is NOT a Fibonacci prime |
| Is 6640 a Partition Prime? | 6640 is NOT a Partition prime |
| Is 6640 a Pell Prime? | 6640 is NOT a Pell prime |
| Prime Factors | Prime factors of 6640 |
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6640 in other Numerals
| 6640 in Roman Numeral | VMDCXL |
| 6640 in Chinese Numeral | 陸仟陸佰肆拾 |
| 6640 in Egyptian Numeral | 𓇁𓍧𓎉 |
| 6640 in Babylonian Numeral |    |
Roots and stuff for 6640
| Is 6640 a square number? | 6640 is NOT a square number |
| Is 6640 a cube number? | 6640 is NOT a cube number |
| Square root of the number 6640 | 81.486195149853 |
| Cube root of the number 6640 | 18.795592749906 |
Recreational math for 6640
| Number 6640 reversed | 0466 |
| Sum of the digits | 16 |
| No of digits | 4 |