Compare 128399 vs 128509
| Property | 128399 | 128509 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1283991 | 1285091 |
| Prime factorization | 128399 | 128509 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128399 | 1, 128509 |
| Number of properties | 5 | 4 |
| Emirps | 2422nd | |
| Isolated primes | 9026th | 9036th |
| Primes | 12021st | 12033rd |
| Pythagorean primes | 5984th | |
| Sexy primes (2nd member) | 2983rd | |
| Sophie germain primes | 1440th | |
| Ulam primes | 841st | |
| Roman numberals | ||
| Base 2 | 111110101100011112 | 111110101111111012 |
| Base 3 | 201120101123 | 201120211213 |
| Base 4 | 1331120334 | 1331133314 |
| Base 5 | 131020445 | 131030145 |
| Base 6 | 24302356 | 24305416 |
| Base 7 | 10432257 | 10434437 |
| Base 8 | 3726178 | 3727758 |
| Base 9 | 2151159 | 2152479 |
| Base 10 | 12839910 | 12850910 |
| Base 11 | 8851711 | 8860711 |
| Base 12 | 6237b12 | 6245112 |
| Base 13 | 4659b13 | 4665413 |
| Base 14 | 34b1514 | 34b9314 |
| Base 15 | 2809e15 | 2812415 |
| Base 16 | 1f58f16 | 1f5fd16 |