Compare 128399 vs 129221
| Property | 128399 | 129221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1283991 | 1292211 |
| Prime factorization | 128399 | 129221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128399 | 1, 129221 |
| Number of properties | 5 | 7 |
| Additive primes | 4986th | |
| Chen primes | 5229th | |
| Emirps | 2422nd | 2441st |
| Isolated primes | 9026th | |
| Primes | 12021st | 12095th |
| Pythagorean primes | 6018th | |
| Sexy primes (2nd member) | 2983rd | |
| Sophie germain primes | 1440th | 1450th |
| Twin primes (1st member) | 1509th | |
| Roman numberals | ||
| Base 2 | 111110101100011112 | 111111000110001012 |
| Base 3 | 201120101123 | 201200202223 |
| Base 4 | 1331120334 | 1332030114 |
| Base 5 | 131020445 | 131133415 |
| Base 6 | 24302356 | 24341256 |
| Base 7 | 10432257 | 10455117 |
| Base 8 | 3726178 | 3743058 |
| Base 9 | 2151159 | 2162289 |
| Base 10 | 12839910 | 12922110 |
| Base 11 | 8851711 | 890a411 |
| Base 12 | 6237b12 | 6294512 |
| Base 13 | 4659b13 | 46a8113 |
| Base 14 | 34b1514 | 3514114 |
| Base 15 | 2809e15 | 2844b15 |
| Base 16 | 1f58f16 | 1f8c516 |