Compare 20879 vs 20921
| Property | 20879 | 20921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208791 | 209211 |
| Prime factorization | 20879 | 20921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20879 | 1, 20921 |
| Number of properties | 4 | 5 |
| Harmonic primes | 864th | |
| Isolated primes | 1639th | 1642nd |
| Primes | 2348th | 2353rd |
| Pythagorean primes | 1170th | |
| Sexy primes (2nd member) | 712th | |
| Sophie germain primes | 338th | 339th |
| Roman numberals | ||
| Base 2 | 1010001100011112 | 1010001101110012 |
| Base 3 | 10011220223 | 10012002123 |
| Base 4 | 110120334 | 110123214 |
| Base 5 | 11320045 | 11321415 |
| Base 6 | 2403556 | 2405056 |
| Base 7 | 1146057 | 1146657 |
| Base 8 | 506178 | 506718 |
| Base 9 | 315689 | 316259 |
| Base 10 | 2087910 | 2092110 |
| Base 11 | 1476111 | 1479a11 |
| Base 12 | 100bb12 | 1013512 |
| Base 13 | 967113 | 96a413 |
| Base 14 | 787514 | 78a514 |
| Base 15 | 62be15 | 62eb15 |
| Base 16 | 518f16 | 51b916 |