Compare 128201 vs 128509
| Property | 128201 | 128509 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1282011 | 1285091 |
| Prime factorization | 128201 | 128509 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128201 | 1, 128509 |
| Number of properties | 6 | 4 |
| Chen primes | 5188th | |
| Good primes | 784th | |
| Isolated primes | 9036th | |
| Primes | 12001st | 12033rd |
| Pythagorean primes | 5966th | 5984th |
| Twin primes (1st member) | 1496th | |
| Ulam primes | 839th | 841st |
| Roman numberals | ||
| Base 2 | 111110100110010012 | 111110101111111012 |
| Base 3 | 201112120123 | 201120211213 |
| Base 4 | 1331030214 | 1331133314 |
| Base 5 | 131003015 | 131030145 |
| Base 6 | 24253056 | 24305416 |
| Base 7 | 10425237 | 10434437 |
| Base 8 | 3723118 | 3727758 |
| Base 9 | 2147659 | 2152479 |
| Base 10 | 12820110 | 12850910 |
| Base 11 | 8835711 | 8860711 |
| Base 12 | 6223512 | 6245112 |
| Base 13 | 4647813 | 4665413 |
| Base 14 | 34a1314 | 34b9314 |
| Base 15 | 27ebb15 | 2812415 |
| Base 16 | 1f4c916 | 1f5fd16 |