Names of 12561
| Nominal | 12561 |
| Cardinal | twelve thousand five hundred sixty-one |
| Ordinal | 12,561st |
| This number as US currency | twelve thousand five hundred sixty-one dollars |
| Is 12561 an odd number? | 12561 is an odd number |
| Is 12561 an even number? | 12561 is NOT an even number |
| Is 12561 a palindrome? | 12561 is NOT a palindrome number |
| Is 12561 a triangle number? | 12561 is a triangle number |
12561 in other Bases
| Base 2 (Binary) | 110001000100012 |
| Base 3 (Ternary) | 1220200203 |
| Base 4 (Quaternary) | 30101014 |
| Base 5 (Quinary) | 4002215 |
| Base 6 (Senary) | 1340536 |
| Base 8 (Octal) | 304218 |
| Base 12 (Duodecimal) | 732912 |
| Base 16 (Hexadecimal) | 311116 |
| Base 20 (Vigesimal) | 1B8120 |
Primes and Factors tests for 12561
| Is 12561 a Prime Number? | 12561 is NOT a prime |
| Is 12561 a perfect number? | 12561 is NOT a perfect number |
| Is 12561 a Mersenne Prime? | 12561 is NOT a Mersenne prime |
| Is 12561 a Fermat Prime? | 12561 is NOT a Fermat prime |
| Is 12561 a Fibonacci Prime? | 12561 is NOT a Fibonacci prime |
| Is 12561 a Partition Prime? | 12561 is NOT a Partition prime |
| Is 12561 a Pell Prime? | 12561 is NOT a Pell prime |
| Prime Factors | Prime factors of 12561 |
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12561 in other Numerals
| 12561 in Roman Numeral | XMMDLXI |
| 12561 in Chinese Numeral | 壹萬貳仟伍佰陸拾壹 |
| 12561 in Egyptian Numeral | 𓂭𓆽𓍦𓎋𓏺 |
| 12561 in Babylonian Numeral |    |
Roots and stuff for 12561
| Is 12561 a square number? | 12561 is NOT a square number |
| Is 12561 a cube number? | 12561 is NOT a cube number |
| Square root of the number 12561 | 112.07586716149 |
| Cube root of the number 12561 | 23.24563451394 |
Recreational math for 12561
| Number 12561 reversed | 16521 |
| Sum of the digits | 15 |
| No of digits | 5 |