Compare 128339 vs 131687
| Property | 128339 | 131687 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1283391 | 1316871 |
| Prime factorization | 128339 | 131687 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128339 | 1, 131687 |
| Number of properties | 6 | 5 |
| Chen primes | 5193rd | |
| Good primes | 788th | 794th |
| Harmonic primes | 4524th | |
| Isolated primes | 9238th | |
| Long primes | 4511th | 4606th |
| Primes | 12014th | 12299th |
| Safe primes | 837th | |
| Twin primes (1st member) | 1498th | |
| Roman numberals | ||
| Base 2 | 111110101010100112 | 1000000010011001112 |
| Base 3 | 201120010223 | 202001220223 |
| Base 4 | 1331111034 | 2000212134 |
| Base 5 | 131013245 | 132032225 |
| Base 6 | 24300556 | 24533556 |
| Base 7 | 10431117 | 10556337 |
| Base 8 | 3725238 | 4011478 |
| Base 9 | 2150389 | 2205689 |
| Base 10 | 12833910 | 13168710 |
| Base 11 | 8847211 | 8aa3611 |
| Base 12 | 6232b12 | 6425b12 |
| Base 13 | 4655313 | 47c2a13 |
| Base 14 | 34ab114 | 35dc314 |
| Base 15 | 2805e15 | 2904215 |
| Base 16 | 1f55316 | 2026716 |