Names of 8661
| Nominal | 8661 |
| Cardinal | eight thousand six hundred sixty-one |
| Ordinal | 8,661st |
| This number as US currency | eight thousand six hundred sixty-one dollars |
| Is 8661 an odd number? | 8661 is an odd number |
| Is 8661 an even number? | 8661 is NOT an even number |
| Is 8661 a palindrome? | 8661 is NOT a palindrome number |
| Is 8661 a triangle number? | 8661 is NOT a triangle number |
8661 in other Bases
| Base 2 (Binary) | 100001110101012 |
| Base 3 (Ternary) | 1022122103 |
| Base 4 (Quaternary) | 20131114 |
| Base 5 (Quinary) | 2341215 |
| Base 6 (Senary) | 1040336 |
| Base 8 (Octal) | 207258 |
| Base 12 (Duodecimal) | 501912 |
| Base 16 (Hexadecimal) | 21D516 |
| Base 20 (Vigesimal) | 11D120 |
Primes and Factors tests for 8661
| Is 8661 a Prime Number? | 8661 is NOT a prime |
| Is 8661 a perfect number? | 8661 is NOT a perfect number |
| Is 8661 a Mersenne Prime? | 8661 is NOT a Mersenne prime |
| Is 8661 a Fermat Prime? | 8661 is NOT a Fermat prime |
| Is 8661 a Fibonacci Prime? | 8661 is NOT a Fibonacci prime |
| Is 8661 a Partition Prime? | 8661 is NOT a Partition prime |
| Is 8661 a Pell Prime? | 8661 is NOT a Pell prime |
| Prime Factors | Prime factors of 8661 |
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8661 in other Numerals
| 8661 in Roman Numeral | VMMMDCLXI |
| 8661 in Chinese Numeral | 捌仟陸佰陸拾壹 |
| 8661 in Egyptian Numeral | 𓇃𓍧𓎋𓏺 |
| 8661 in Babylonian Numeral |    |
Roots and stuff for 8661
| Is 8661 a square number? | 8661 is NOT a square number |
| Is 8661 a cube number? | 8661 is NOT a cube number |
| Square root of the number 8661 | 93.06449376642 |
| Cube root of the number 8661 | 20.536322675287 |
Recreational math for 8661
| Number 8661 reversed | 1668 |
| Sum of the digits | 21 |
| No of digits | 4 |