Names of 20505
| Nominal | 20505 |
| Cardinal | twenty thousand five hundred five |
| Ordinal | 20,505th |
| This number as US currency | twenty thousand five hundred five dollars |
| Is 20505 an odd number? | 20505 is an odd number |
| Is 20505 an even number? | 20505 is NOT an even number |
| Is 20505 a palindrome? | 20505 is NOT a palindrome number |
| Is 20505 a triangle number? | 20505 is NOT a triangle number |
20505 in other Bases
| Base 2 (Binary) | 1010000000110012 |
| Base 3 (Ternary) | 10010101103 |
| Base 4 (Quaternary) | 110001214 |
| Base 5 (Quinary) | 11240105 |
| Base 6 (Senary) | 2345336 |
| Base 8 (Octal) | 500318 |
| Base 12 (Duodecimal) | BA4912 |
| Base 16 (Hexadecimal) | 501916 |
| Base 20 (Vigesimal) | 2B5520 |
Primes and Factors tests for 20505
| Is 20505 a Prime Number? | 20505 is NOT a prime |
| Is 20505 a perfect number? | 20505 is NOT a perfect number |
| Is 20505 a Mersenne Prime? | 20505 is NOT a Mersenne prime |
| Is 20505 a Fermat Prime? | 20505 is NOT a Fermat prime |
| Is 20505 a Fibonacci Prime? | 20505 is NOT a Fibonacci prime |
| Is 20505 a Partition Prime? | 20505 is NOT a Partition prime |
| Is 20505 a Pell Prime? | 20505 is NOT a Pell prime |
| Prime Factors | Prime factors of 20505 |
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20505 in other Numerals
| 20505 in Roman Numeral | XXDV |
| 20505 in Chinese Numeral | 貳萬伍佰伍 |
| 20505 in Egyptian Numeral | 𓂮𓍦𓏾 |
| 20505 in Babylonian Numeral |    |
Roots and stuff for 20505
| Is 20505 a square number? | 20505 is NOT a square number |
| Is 20505 a cube number? | 20505 is NOT a cube number |
| Square root of the number 20505 | 143.19567032561 |
| Cube root of the number 20505 | 27.37074327591 |
Recreational math for 20505
| Number 20505 reversed | 50502 |
| Sum of the digits | 12 |
| No of digits | 5 |