Compare 128831 vs 129221
| Property | 128831 | 129221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1288311 | 1292211 |
| Prime factorization | 128831 | 129221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128831 | 1, 129221 |
| Number of properties | 8 | 7 |
| Additive primes | 4970th | 4986th |
| Chen primes | 5213th | 5229th |
| Emirps | 2430th | 2441st |
| Harmonic primes | 4540th | |
| Primes | 12058th | 12095th |
| Prime triplets (1st member) | 611th | |
| Pythagorean primes | 6018th | |
| Sexy primes (1st member) | 2994th | |
| Sophie germain primes | 1450th | |
| Twin primes (1st member) | 1504th | 1509th |
| Roman numberals | ||
| Base 2 | 111110111001111112 | 111111000110001012 |
| Base 3 | 201122011123 | 201200202223 |
| Base 4 | 1331303334 | 1332030114 |
| Base 5 | 131103115 | 131133415 |
| Base 6 | 24322356 | 24341256 |
| Base 7 | 10444137 | 10455117 |
| Base 8 | 3734778 | 3743058 |
| Base 9 | 2156459 | 2162289 |
| Base 10 | 12883110 | 12922110 |
| Base 11 | 8887a11 | 890a411 |
| Base 12 | 6267b12 | 6294512 |
| Base 13 | 4684113 | 46a8113 |
| Base 14 | 34d4314 | 3514114 |
| Base 15 | 2828b15 | 2844b15 |
| Base 16 | 1f73f16 | 1f8c516 |