Compare 20879 vs 21221
| Property | 20879 | 21221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208791 | 212211 |
| Prime factorization | 20879 | 21221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20879 | 1, 21221 |
| Number of properties | 4 | 6 |
| Chen primes | 1172nd | |
| Isolated primes | 1639th | 1665th |
| Primes | 2348th | 2386th |
| Pythagorean primes | 1184th | |
| Sexy primes (1st member) | 723rd | |
| Sexy primes (2nd member) | 712th | |
| Sophie germain primes | 338th | 346th |
| Roman numberals | ||
| Base 2 | 1010001100011112 | 1010010111001012 |
| Base 3 | 10011220223 | 10020022223 |
| Base 4 | 110120334 | 110232114 |
| Base 5 | 11320045 | 11343415 |
| Base 6 | 2403556 | 2421256 |
| Base 7 | 1146057 | 1156047 |
| Base 8 | 506178 | 513458 |
| Base 9 | 315689 | 320889 |
| Base 10 | 2087910 | 2122110 |
| Base 11 | 1476111 | 14a4211 |
| Base 12 | 100bb12 | 1034512 |
| Base 13 | 967113 | 987513 |
| Base 14 | 787514 | 7a3b14 |
| Base 15 | 62be15 | 644b15 |
| Base 16 | 518f16 | 52e516 |