Compare 21055 vs 21061
| Property | 21055 | 21061 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 42111 | 210611 |
| Prime factorization | 5 × 4211 | 21061 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 4211, 21055 | 1, 21061 |
| Number of properties | 1 | 4 |
| Primes | 2369th | |
| Pythagorean primes | 1176th | |
| Semiprimes | 5340th | |
| Sexy primes (1st member) | 717th | |
| Twin primes (2nd member) | 360th | |
| Roman numberals | ||
| Base 2 | 1010010001111112 | 1010010010001012 |
| Base 3 | 10012122113 | 10012200013 |
| Base 4 | 110203334 | 110210114 |
| Base 5 | 11332105 | 11332215 |
| Base 6 | 2412516 | 2413016 |
| Base 7 | 1152467 | 1152557 |
| Base 8 | 510778 | 511058 |
| Base 9 | 317849 | 318019 |
| Base 10 | 2105510 | 2106110 |
| Base 11 | 1490111 | 1490711 |
| Base 12 | 1022712 | 1023112 |
| Base 13 | 977813 | 978113 |
| Base 14 | 795d14 | 796514 |
| Base 15 | 638a15 | 639115 |
| Base 16 | 523f16 | 524516 |