Compare 128213 vs 128287
| Property | 128213 | 128287 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1282131 | 1282871 |
| Prime factorization | 128213 | 128287 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128213 | 1, 128287 |
| Number of properties | 6 | 5 |
| Additive primes | 4947th | |
| Chen primes | 5189th | |
| Cousin primes (1st member) | 1492nd | |
| Good primes | 785th | |
| Harmonic primes | 4519th | |
| Isolated primes | 9012th | 9016th |
| Long primes | 4508th | |
| Primes | 12003rd | 12009th |
| Pythagorean primes | 5967th | |
| Roman numberals | ||
| Base 2 | 111110100110101012 | 111110101000111112 |
| Base 3 | 201112121223 | 201112221013 |
| Base 4 | 1331031114 | 1331101334 |
| Base 5 | 131003235 | 131011225 |
| Base 6 | 24253256 | 24255316 |
| Base 7 | 10425417 | 10430057 |
| Base 8 | 3723258 | 3724378 |
| Base 9 | 2147789 | 2148719 |
| Base 10 | 12821310 | 12828710 |
| Base 11 | 8836811 | 8842511 |
| Base 12 | 6224512 | 622a712 |
| Base 13 | 4648713 | 4651313 |
| Base 14 | 34a2114 | 34a7514 |
| Base 15 | 27ec815 | 2802715 |
| Base 16 | 1f4d516 | 1f51f16 |