Names of 20985
| Nominal | 20985 |
| Cardinal | twenty thousand nine hundred eighty-five |
| Ordinal | 20,985th |
| This number as US currency | twenty thousand nine hundred eighty-five dollars |
| Is 20985 an odd number? | 20985 is an odd number |
| Is 20985 an even number? | 20985 is NOT an even number |
| Is 20985 a palindrome? | 20985 is NOT a palindrome number |
| Is 20985 a triangle number? | 20985 is NOT a triangle number |
20985 in other Bases
| Base 2 (Binary) | 1010001111110012 |
| Base 3 (Ternary) | 10012100203 |
| Base 4 (Quaternary) | 110133214 |
| Base 5 (Quinary) | 11324205 |
| Base 6 (Senary) | 2410536 |
| Base 8 (Octal) | 507718 |
| Base 12 (Duodecimal) | 1018912 |
| Base 16 (Hexadecimal) | 51F916 |
| Base 20 (Vigesimal) | 2C9520 |
Primes and Factors tests for 20985
| Is 20985 a Prime Number? | 20985 is NOT a prime |
| Is 20985 a perfect number? | 20985 is NOT a perfect number |
| Is 20985 a Mersenne Prime? | 20985 is NOT a Mersenne prime |
| Is 20985 a Fermat Prime? | 20985 is NOT a Fermat prime |
| Is 20985 a Fibonacci Prime? | 20985 is NOT a Fibonacci prime |
| Is 20985 a Partition Prime? | 20985 is NOT a Partition prime |
| Is 20985 a Pell Prime? | 20985 is NOT a Pell prime |
| Prime Factors | Prime factors of 20985 |
Sponsored
20985 in other Numerals
| 20985 in Roman Numeral | XXCMLXXXV |
| 20985 in Chinese Numeral | 貳萬玖佰捌拾伍 |
| 20985 in Egyptian Numeral | 𓂮𓍪𓎍𓏾 |
| 20985 in Babylonian Numeral |    |
Roots and stuff for 20985
| Is 20985 a square number? | 20985 is NOT a square number |
| Is 20985 a cube number? | 20985 is NOT a cube number |
| Square root of the number 20985 | 144.86200329969 |
| Cube root of the number 20985 | 27.582671332088 |
Recreational math for 20985
| Number 20985 reversed | 58902 |
| Sum of the digits | 24 |
| No of digits | 5 |