Compare 20857 vs 20963
| Property | 20857 | 20963 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208571 | 209631 |
| Prime factorization | 20857 | 20963 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20857 | 1, 20963 |
| Number of properties | 4 | 5 |
| Cousin primes (2nd member) | 357th | |
| Happy primes | 390th | |
| Isolated primes | 1637th | 1647th |
| Long primes | 891st | |
| Primes | 2346th | 2358th |
| Pythagorean primes | 1167th | |
| Sophie germain primes | 341st | |
| Roman numberals | ||
| Base 2 | 1010001011110012 | 1010001111000112 |
| Base 3 | 10011211113 | 10012021023 |
| Base 4 | 110113214 | 110132034 |
| Base 5 | 11314125 | 11323235 |
| Base 6 | 2403216 | 2410156 |
| Base 7 | 1145447 | 1150557 |
| Base 8 | 505718 | 507438 |
| Base 9 | 315449 | 316729 |
| Base 10 | 2085710 | 2096310 |
| Base 11 | 1474111 | 1482811 |
| Base 12 | 100a112 | 1016b12 |
| Base 13 | 965513 | 970713 |
| Base 14 | 785b14 | 78d514 |
| Base 15 | 62a715 | 632815 |
| Base 16 | 517916 | 51e316 |