Compare 129211 vs 129221
| Property | 129211 | 129221 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 1571 × 8231 | 1292211 |
| Prime factorization | 157 × 823 | 129221 |
| Divisors count | 4 | 2 |
| Divisors | 1, 157, 823, 129211 | 1, 129221 |
| Number of properties | 1 | 7 |
| Additive primes | 4986th | |
| Chen primes | 5229th | |
| Emirps | 2441st | |
| Primes | 12095th | |
| Pythagorean primes | 6018th | |
| Semiprimes | 29856th | |
| Sophie germain primes | 1450th | |
| Twin primes (1st member) | 1509th | |
| Roman numberals | ||
| Base 2 | 111111000101110112 | 111111000110001012 |
| Base 3 | 201200201213 | 201200202223 |
| Base 4 | 1332023234 | 1332030114 |
| Base 5 | 131133215 | 131133415 |
| Base 6 | 24341116 | 24341256 |
| Base 7 | 10454657 | 10455117 |
| Base 8 | 3742738 | 3743058 |
| Base 9 | 2162179 | 2162289 |
| Base 10 | 12921110 | 12922110 |
| Base 11 | 8909511 | 890a411 |
| Base 12 | 6293712 | 6294512 |
| Base 13 | 46a7413 | 46a8113 |
| Base 14 | 3513514 | 3514114 |
| Base 15 | 2844115 | 2844b15 |
| Base 16 | 1f8bb16 | 1f8c516 |