Compare 128939 vs 129221
| Property | 128939 | 129221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1289391 | 1292211 |
| Prime factorization | 128939 | 129221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128939 | 1, 129221 |
| Number of properties | 6 | 7 |
| Additive primes | 4986th | |
| Chen primes | 5217th | 5229th |
| Emirps | 2441st | |
| Long primes | 4526th | |
| Primes | 12067th | 12095th |
| Pythagorean primes | 6018th | |
| Sophie germain primes | 1446th | 1450th |
| Twin primes (1st member) | 1505th | 1509th |
| Ulam primes | 843rd | |
| Roman numberals | ||
| Base 2 | 111110111101010112 | 111111000110001012 |
| Base 3 | 201122121123 | 201200202223 |
| Base 4 | 1331322234 | 1332030114 |
| Base 5 | 131112245 | 131133415 |
| Base 6 | 24325356 | 24341256 |
| Base 7 | 10446267 | 10455117 |
| Base 8 | 3736538 | 3743058 |
| Base 9 | 2157759 | 2162289 |
| Base 10 | 12893910 | 12922110 |
| Base 11 | 8896811 | 890a411 |
| Base 12 | 6274b12 | 6294512 |
| Base 13 | 468c513 | 46a8113 |
| Base 14 | 34dbd14 | 3514114 |
| Base 15 | 2830e15 | 2844b15 |
| Base 16 | 1f7ab16 | 1f8c516 |