Compare 20639 vs 20963
| Property | 20639 | 20963 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206391 | 209631 |
| Prime factorization | 20639 | 20963 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20639 | 1, 20963 |
| Number of properties | 4 | 5 |
| Chen primes | 1143rd | |
| Cousin primes (2nd member) | 357th | |
| Happy primes | 384th | 390th |
| Isolated primes | 1647th | |
| Primes | 2326th | 2358th |
| Sophie germain primes | 341st | |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100111112 | 1010001111000112 |
| Base 3 | 10010221023 | 10012021023 |
| Base 4 | 110021334 | 110132034 |
| Base 5 | 11300245 | 11323235 |
| Base 6 | 2353156 | 2410156 |
| Base 7 | 1141137 | 1150557 |
| Base 8 | 502378 | 507438 |
| Base 9 | 312729 | 316729 |
| Base 10 | 2063910 | 2096310 |
| Base 11 | 1456311 | 1482811 |
| Base 12 | bb3b12 | 1016b12 |
| Base 13 | 951813 | 970713 |
| Base 14 | 774314 | 78d514 |
| Base 15 | 61ae15 | 632815 |
| Base 16 | 509f16 | 51e316 |