Compare 20879 vs 20891
| Property | 20879 | 20891 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 208791 | 131 × 16071 |
| Prime factorization | 20879 | 13 × 1607 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20879 | 1, 13, 1607, 20891 |
| Number of properties | 4 | 1 |
| Isolated primes | 1639th | |
| Primes | 2348th | |
| Semiprimes | 5301st | |
| Sexy primes (2nd member) | 712th | |
| Sophie germain primes | 338th | |
| Roman numberals | ||
| Base 2 | 1010001100011112 | 1010001100110112 |
| Base 3 | 10011220223 | 10011222023 |
| Base 4 | 110120334 | 110121234 |
| Base 5 | 11320045 | 11320315 |
| Base 6 | 2403556 | 2404156 |
| Base 7 | 1146057 | 1146237 |
| Base 8 | 506178 | 506338 |
| Base 9 | 315689 | 315829 |
| Base 10 | 2087910 | 2089110 |
| Base 11 | 1476111 | 1477211 |
| Base 12 | 100bb12 | 1010b12 |
| Base 13 | 967113 | 968013 |
| Base 14 | 787514 | 788314 |
| Base 15 | 62be15 | 62cb15 |
| Base 16 | 518f16 | 519b16 |