Compare 128873 vs 129221
| Property | 128873 | 129221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1288731 | 1292211 |
| Prime factorization | 128873 | 129221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128873 | 1, 129221 |
| Number of properties | 8 | 7 |
| Additive primes | 4973rd | 4986th |
| Chen primes | 5229th | |
| Emirps | 2431st | 2441st |
| Harmonic primes | 4541st | |
| Isolated primes | 9056th | |
| Long primes | 4524th | |
| Primes | 12063rd | 12095th |
| Pythagorean primes | 6001st | 6018th |
| Sexy primes (1st member) | 2995th | |
| Sophie germain primes | 1450th | |
| Twin primes (1st member) | 1509th | |
| Roman numberals | ||
| Base 2 | 111110111011010012 | 111111000110001012 |
| Base 3 | 201122100023 | 201200202223 |
| Base 4 | 1331312214 | 1332030114 |
| Base 5 | 131104435 | 131133415 |
| Base 6 | 24323456 | 24341256 |
| Base 7 | 10445037 | 10455117 |
| Base 8 | 3735518 | 3743058 |
| Base 9 | 2157029 | 2162289 |
| Base 10 | 12887310 | 12922110 |
| Base 11 | 8890811 | 890a411 |
| Base 12 | 626b512 | 6294512 |
| Base 13 | 4687413 | 46a8113 |
| Base 14 | 34d7314 | 3514114 |
| Base 15 | 282b815 | 2844b15 |
| Base 16 | 1f76916 | 1f8c516 |