Names of 13665
| Nominal | 13665 |
| Cardinal | thirteen thousand six hundred sixty-five |
| Ordinal | 13,665th |
| This number as US currency | thirteen thousand six hundred sixty-five dollars |
| Is 13665 an odd number? | 13665 is an odd number |
| Is 13665 an even number? | 13665 is NOT an even number |
| Is 13665 a palindrome? | 13665 is NOT a palindrome number |
| Is 13665 a triangle number? | 13665 is NOT a triangle number |
13665 in other Bases
| Base 2 (Binary) | 110101011000012 |
| Base 3 (Ternary) | 2002020103 |
| Base 4 (Quaternary) | 31112014 |
| Base 5 (Quinary) | 4141305 |
| Base 6 (Senary) | 1431336 |
| Base 8 (Octal) | 325418 |
| Base 12 (Duodecimal) | 7AA912 |
| Base 16 (Hexadecimal) | 356116 |
| Base 20 (Vigesimal) | 1E3520 |
Primes and Factors tests for 13665
| Is 13665 a Prime Number? | 13665 is NOT a prime |
| Is 13665 a perfect number? | 13665 is NOT a perfect number |
| Is 13665 a Mersenne Prime? | 13665 is NOT a Mersenne prime |
| Is 13665 a Fermat Prime? | 13665 is NOT a Fermat prime |
| Is 13665 a Fibonacci Prime? | 13665 is NOT a Fibonacci prime |
| Is 13665 a Partition Prime? | 13665 is NOT a Partition prime |
| Is 13665 a Pell Prime? | 13665 is NOT a Pell prime |
| Prime Factors | Prime factors of 13665 |
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13665 in other Numerals
| 13665 in Roman Numeral | XMMMDCLXV |
| 13665 in Chinese Numeral | 壹萬叄仟陸佰陸拾伍 |
| 13665 in Egyptian Numeral | 𓂭𓆾𓍧𓎋𓏾 |
| 13665 in Babylonian Numeral |    |
Roots and stuff for 13665
| Is 13665 a square number? | 13665 is NOT a square number |
| Is 13665 a cube number? | 13665 is NOT a cube number |
| Square root of the number 13665 | 116.8973909033 |
| Cube root of the number 13665 | 23.907631066354 |
Recreational math for 13665
| Number 13665 reversed | 56631 |
| Sum of the digits | 21 |
| No of digits | 5 |