Names of 20961
| Nominal | 20961 |
| Cardinal | twenty thousand nine hundred sixty-one |
| Ordinal | 20,961st |
| This number as US currency | twenty thousand nine hundred sixty-one dollars |
| Is 20961 an odd number? | 20961 is an odd number |
| Is 20961 an even number? | 20961 is NOT an even number |
| Is 20961 a palindrome? | 20961 is NOT a palindrome number |
| Is 20961 a triangle number? | 20961 is NOT a triangle number |
20961 in other Bases
| Base 2 (Binary) | 1010001111000012 |
| Base 3 (Ternary) | 10012021003 |
| Base 4 (Quaternary) | 110132014 |
| Base 5 (Quinary) | 11323215 |
| Base 6 (Senary) | 2410136 |
| Base 8 (Octal) | 507418 |
| Base 12 (Duodecimal) | 1016912 |
| Base 16 (Hexadecimal) | 51E116 |
| Base 20 (Vigesimal) | 2C8120 |
Primes and Factors tests for 20961
| Is 20961 a Prime Number? | 20961 is NOT a prime |
| Is 20961 a perfect number? | 20961 is NOT a perfect number |
| Is 20961 a Mersenne Prime? | 20961 is NOT a Mersenne prime |
| Is 20961 a Fermat Prime? | 20961 is NOT a Fermat prime |
| Is 20961 a Fibonacci Prime? | 20961 is NOT a Fibonacci prime |
| Is 20961 a Partition Prime? | 20961 is NOT a Partition prime |
| Is 20961 a Pell Prime? | 20961 is NOT a Pell prime |
| Prime Factors | Prime factors of 20961 |
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20961 in other Numerals
| 20961 in Roman Numeral | XXCMLXI |
| 20961 in Chinese Numeral | 貳萬玖佰陸拾壹 |
| 20961 in Egyptian Numeral | 𓂮𓍪𓎋𓏺 |
| 20961 in Babylonian Numeral |    |
Roots and stuff for 20961
| Is 20961 a square number? | 20961 is NOT a square number |
| Is 20961 a cube number? | 20961 is NOT a cube number |
| Square root of the number 20961 | 144.77914214416 |
| Cube root of the number 20961 | 27.572152125716 |
Recreational math for 20961
| Number 20961 reversed | 16902 |
| Sum of the digits | 18 |
| No of digits | 5 |