Compare 20717 vs 20857
| Property | 20717 | 20857 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 207171 | 208571 |
| Prime factorization | 20717 | 20857 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20717 | 1, 20857 |
| Number of properties | 7 | 4 |
| Additive primes | 1083rd | |
| Chen primes | 1146th | |
| Good primes | 260th | |
| Happy primes | 386th | |
| Isolated primes | 1637th | |
| Long primes | 891st | |
| Primes | 2332nd | 2346th |
| Pythagorean primes | 1160th | 1167th |
| Twin primes (1st member) | 352nd | |
| Roman numberals | ||
| Base 2 | 1010000111011012 | 1010001011110012 |
| Base 3 | 10011020223 | 10011211113 |
| Base 4 | 110032314 | 110113214 |
| Base 5 | 11303325 | 11314125 |
| Base 6 | 2355256 | 2403216 |
| Base 7 | 1142547 | 1145447 |
| Base 8 | 503558 | 505718 |
| Base 9 | 313689 | 315449 |
| Base 10 | 2071710 | 2085710 |
| Base 11 | 1462411 | 1474111 |
| Base 12 | bba512 | 100a112 |
| Base 13 | 957813 | 965513 |
| Base 14 | 779b14 | 785b14 |
| Base 15 | 621215 | 62a715 |
| Base 16 | 50ed16 | 517916 |