Compare 128287 vs 128857
| Property | 128287 | 128857 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1282871 | 1288571 |
| Prime factorization | 128287 | 128857 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128287 | 1, 128857 |
| Number of properties | 5 | 6 |
| Additive primes | 4972nd | |
| Chen primes | 5215th | |
| Cousin primes (1st member) | 1492nd | 1499th |
| Good primes | 785th | |
| Isolated primes | 9016th | 9054th |
| Long primes | 4508th | |
| Primes | 12009th | 12061st |
| Pythagorean primes | 5999th | |
| Roman numberals | ||
| Base 2 | 111110101000111112 | 111110111010110012 |
| Base 3 | 201112221013 | 201122021113 |
| Base 4 | 1331101334 | 1331311214 |
| Base 5 | 131011225 | 131104125 |
| Base 6 | 24255316 | 24323216 |
| Base 7 | 10430057 | 10444517 |
| Base 8 | 3724378 | 3735318 |
| Base 9 | 2148719 | 2156749 |
| Base 10 | 12828710 | 12885710 |
| Base 11 | 8842511 | 888a311 |
| Base 12 | 622a712 | 626a112 |
| Base 13 | 4651313 | 4686113 |
| Base 14 | 34a7514 | 34d6114 |
| Base 15 | 2802715 | 282a715 |
| Base 16 | 1f51f16 | 1f75916 |