Compare 20717 vs 21347
| Property | 20717 | 21347 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 207171 | 213471 |
| Prime factorization | 20717 | 21347 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20717 | 1, 21347 |
| Number of properties | 7 | 7 |
| Additive primes | 1083rd | 1112th |
| Chen primes | 1146th | 1176th |
| Good primes | 260th | |
| Happy primes | 386th | 397th |
| Isolated primes | 1674th | |
| Primes | 2332nd | 2397th |
| Pythagorean primes | 1160th | |
| Sexy primes (2nd member) | 727th | |
| Twin primes (1st member) | 352nd | |
| Ulam primes | 182nd | |
| Roman numberals | ||
| Base 2 | 1010000111011012 | 1010011011000112 |
| Base 3 | 10011020223 | 10020211223 |
| Base 4 | 110032314 | 110312034 |
| Base 5 | 11303325 | 11403425 |
| Base 6 | 2355256 | 2424556 |
| Base 7 | 1142547 | 1161447 |
| Base 8 | 503558 | 515438 |
| Base 9 | 313689 | 322489 |
| Base 10 | 2071710 | 2134710 |
| Base 11 | 1462411 | 1504711 |
| Base 12 | bba512 | 1042b12 |
| Base 13 | 957813 | 994113 |
| Base 14 | 779b14 | 7acb14 |
| Base 15 | 621215 | 64d215 |
| Base 16 | 50ed16 | 536316 |