Names of 6690
| Nominal | 6690 |
| Cardinal | six thousand six hundred ninety |
| Ordinal | 6,690th |
| This number as US currency | six thousand six hundred ninety dollars |
| Is 6690 an odd number? | 6690 is NOT an odd number |
| Is 6690 an even number? | 6690 is an even number |
| Is 6690 a palindrome? | 6690 is NOT a palindrome number |
| Is 6690 a triangle number? | 6690 is NOT a triangle number |
6690 in other Bases
| Base 2 (Binary) | 11010001000102 |
| Base 3 (Ternary) | 1000112103 |
| Base 4 (Quaternary) | 12202024 |
| Base 5 (Quinary) | 2032305 |
| Base 6 (Senary) | 505506 |
| Base 8 (Octal) | 150428 |
| Base 12 (Duodecimal) | 3A5612 |
| Base 16 (Hexadecimal) | 1A2216 |
| Base 20 (Vigesimal) | GEA20 |
Primes and Factors tests for 6690
| Is 6690 a Prime Number? | 6690 is NOT a prime |
| Is 6690 a perfect number? | 6690 is NOT a perfect number |
| Is 6690 a Mersenne Prime? | 6690 is NOT a Mersenne prime |
| Is 6690 a Fermat Prime? | 6690 is NOT a Fermat prime |
| Is 6690 a Fibonacci Prime? | 6690 is NOT a Fibonacci prime |
| Is 6690 a Partition Prime? | 6690 is NOT a Partition prime |
| Is 6690 a Pell Prime? | 6690 is NOT a Pell prime |
| Prime Factors | Prime factors of 6690 |
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6690 in other Numerals
| 6690 in Roman Numeral | VMDCXC |
| 6690 in Chinese Numeral | 陸仟陸佰玖拾 |
| 6690 in Egyptian Numeral | 𓇁𓍧𓎎 |
| 6690 in Babylonian Numeral |    |
Roots and stuff for 6690
| Is 6690 a square number? | 6690 is NOT a square number |
| Is 6690 a cube number? | 6690 is NOT a cube number |
| Square root of the number 6690 | 81.792420186714 |
| Cube root of the number 6690 | 18.842652517564 |
Recreational math for 6690
| Number 6690 reversed | 0966 |
| Sum of the digits | 21 |
| No of digits | 4 |