Compare 20639 vs 20717
| Property | 20639 | 20717 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206391 | 207171 |
| Prime factorization | 20639 | 20717 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20639 | 1, 20717 |
| Number of properties | 4 | 7 |
| Additive primes | 1083rd | |
| Chen primes | 1143rd | 1146th |
| Good primes | 260th | |
| Happy primes | 384th | 386th |
| Primes | 2326th | 2332nd |
| Pythagorean primes | 1160th | |
| Twin primes (1st member) | 351st | 352nd |
| Roman numberals | ||
| Base 2 | 1010000100111112 | 1010000111011012 |
| Base 3 | 10010221023 | 10011020223 |
| Base 4 | 110021334 | 110032314 |
| Base 5 | 11300245 | 11303325 |
| Base 6 | 2353156 | 2355256 |
| Base 7 | 1141137 | 1142547 |
| Base 8 | 502378 | 503558 |
| Base 9 | 312729 | 313689 |
| Base 10 | 2063910 | 2071710 |
| Base 11 | 1456311 | 1462411 |
| Base 12 | bb3b12 | bba512 |
| Base 13 | 951813 | 957813 |
| Base 14 | 774314 | 779b14 |
| Base 15 | 61ae15 | 621215 |
| Base 16 | 509f16 | 50ed16 |