Compare 128819 vs 129221
| Property | 128819 | 129221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1288191 | 1292211 |
| Prime factorization | 128819 | 129221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128819 | 1, 129221 |
| Number of properties | 6 | 7 |
| Additive primes | 4969th | 4986th |
| Chen primes | 5229th | |
| Emirps | 2441st | |
| Isolated primes | 9052nd | |
| Long primes | 4521st | |
| Primes | 12057th | 12095th |
| Pythagorean primes | 6018th | |
| Sexy primes (2nd member) | 2993rd | |
| Sophie germain primes | 1445th | 1450th |
| Twin primes (1st member) | 1509th | |
| Roman numberals | ||
| Base 2 | 111110111001100112 | 111111000110001012 |
| Base 3 | 201122010023 | 201200202223 |
| Base 4 | 1331303034 | 1332030114 |
| Base 5 | 131102345 | 131133415 |
| Base 6 | 24322156 | 24341256 |
| Base 7 | 10443657 | 10455117 |
| Base 8 | 3734638 | 3743058 |
| Base 9 | 2156329 | 2162289 |
| Base 10 | 12881910 | 12922110 |
| Base 11 | 8886911 | 890a411 |
| Base 12 | 6266b12 | 6294512 |
| Base 13 | 4683213 | 46a8113 |
| Base 14 | 34d3514 | 3514114 |
| Base 15 | 2827e15 | 2844b15 |
| Base 16 | 1f73316 | 1f8c516 |