Compare 20717 vs 20728
| Property | 20717 | 20728 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 4 |
| Prime factorization | 207171 | 23 × 25911 |
| Prime factorization | 20717 | 2 × 2 × 2 × 2591 |
| Divisors count | 2 | 8 |
| Divisors | 1, 20717 | 1, 2, 4, 8, 2591, 5182, 10364, 20728 |
| Number of properties | 7 | 0 |
| Additive primes | 1083rd | |
| Chen primes | 1146th | |
| Good primes | 260th | |
| Happy primes | 386th | |
| Primes | 2332nd | |
| Pythagorean primes | 1160th | |
| Twin primes (1st member) | 352nd | |
| Roman numberals | ||
| Base 2 | 1010000111011012 | 1010000111110002 |
| Base 3 | 10011020223 | 10011022013 |
| Base 4 | 110032314 | 110033204 |
| Base 5 | 11303325 | 11304035 |
| Base 6 | 2355256 | 2355446 |
| Base 7 | 1142547 | 1143017 |
| Base 8 | 503558 | 503708 |
| Base 9 | 313689 | 313819 |
| Base 10 | 2071710 | 2072810 |
| Base 11 | 1462411 | 1463411 |
| Base 12 | bba512 | bbb412 |
| Base 13 | 957813 | 958613 |
| Base 14 | 779b14 | 77a814 |
| Base 15 | 621215 | 621d15 |
| Base 16 | 50ed16 | 50f816 |