Names of 13661
| Nominal | 13661 |
| Cardinal | thirteen thousand six hundred sixty-one |
| Ordinal | 13,661st |
| This number as US currency | thirteen thousand six hundred sixty-one dollars |
| Is 13661 an odd number? | 13661 is an odd number |
| Is 13661 an even number? | 13661 is NOT an even number |
| Is 13661 a palindrome? | 13661 is NOT a palindrome number |
| Is 13661 a triangle number? | 13661 is NOT a triangle number |
13661 in other Bases
| Base 2 (Binary) | 110101010111012 |
| Base 3 (Ternary) | 2002012223 |
| Base 4 (Quaternary) | 31111314 |
| Base 5 (Quinary) | 4141215 |
| Base 6 (Senary) | 1431256 |
| Base 8 (Octal) | 325358 |
| Base 12 (Duodecimal) | 7AA512 |
| Base 16 (Hexadecimal) | 355D16 |
| Base 20 (Vigesimal) | 1E3120 |
Primes and Factors tests for 13661
| Is 13661 a Prime Number? | 13661 is NOT a prime |
| Is 13661 a perfect number? | 13661 is NOT a perfect number |
| Is 13661 a Mersenne Prime? | 13661 is NOT a Mersenne prime |
| Is 13661 a Fermat Prime? | 13661 is NOT a Fermat prime |
| Is 13661 a Fibonacci Prime? | 13661 is NOT a Fibonacci prime |
| Is 13661 a Partition Prime? | 13661 is NOT a Partition prime |
| Is 13661 a Pell Prime? | 13661 is NOT a Pell prime |
| Prime Factors | Prime factors of 13661 |
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13661 in other Numerals
| 13661 in Roman Numeral | XMMMDCLXI |
| 13661 in Chinese Numeral | 壹萬叄仟陸佰陸拾壹 |
| 13661 in Egyptian Numeral | 𓂭𓆾𓍧𓎋𓏺 |
| 13661 in Babylonian Numeral |    |
Roots and stuff for 13661
| Is 13661 a square number? | 13661 is NOT a square number |
| Is 13661 a cube number? | 13661 is NOT a cube number |
| Square root of the number 13661 | 116.88028062937 |
| Cube root of the number 13661 | 23.905298102414 |
Recreational math for 13661
| Number 13661 reversed | 16631 |
| Sum of the digits | 17 |
| No of digits | 5 |