Compare 128287 vs 128339
| Property | 128287 | 128339 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1282871 | 1283391 |
| Prime factorization | 128287 | 128339 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128287 | 1, 128339 |
| Number of properties | 5 | 6 |
| Chen primes | 5193rd | |
| Cousin primes (1st member) | 1492nd | |
| Good primes | 785th | 788th |
| Harmonic primes | 4524th | |
| Isolated primes | 9016th | |
| Long primes | 4508th | 4511th |
| Primes | 12009th | 12014th |
| Twin primes (1st member) | 1498th | |
| Roman numberals | ||
| Base 2 | 111110101000111112 | 111110101010100112 |
| Base 3 | 201112221013 | 201120010223 |
| Base 4 | 1331101334 | 1331111034 |
| Base 5 | 131011225 | 131013245 |
| Base 6 | 24255316 | 24300556 |
| Base 7 | 10430057 | 10431117 |
| Base 8 | 3724378 | 3725238 |
| Base 9 | 2148719 | 2150389 |
| Base 10 | 12828710 | 12833910 |
| Base 11 | 8842511 | 8847211 |
| Base 12 | 622a712 | 6232b12 |
| Base 13 | 4651313 | 4655313 |
| Base 14 | 34a7514 | 34ab114 |
| Base 15 | 2802715 | 2805e15 |
| Base 16 | 1f51f16 | 1f55316 |