Compare 128831 vs 128879
| Property | 128831 | 128879 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1288311 | 1288791 |
| Prime factorization | 128831 | 128879 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128831 | 1, 128879 |
| Number of properties | 8 | 8 |
| Additive primes | 4970th | |
| Chen primes | 5213th | 5216th |
| Emirps | 2430th | 2432nd |
| Happy primes | 1875th | |
| Harmonic primes | 4540th | 4542nd |
| Isolated primes | 9057th | |
| Primes | 12058th | 12064th |
| Prime triplets (1st member) | 611th | |
| Safe primes | 820th | |
| Sexy primes (1st member) | 2994th | |
| Sexy primes (2nd member) | 2995th | |
| Twin primes (1st member) | 1504th | |
| Roman numberals | ||
| Base 2 | 111110111001111112 | 111110111011011112 |
| Base 3 | 201122011123 | 201122100223 |
| Base 4 | 1331303334 | 1331312334 |
| Base 5 | 131103115 | 131110045 |
| Base 6 | 24322356 | 24323556 |
| Base 7 | 10444137 | 10445127 |
| Base 8 | 3734778 | 3735578 |
| Base 9 | 2156459 | 2157089 |
| Base 10 | 12883110 | 12887910 |
| Base 11 | 8887a11 | 8891311 |
| Base 12 | 6267b12 | 626bb12 |
| Base 13 | 4684113 | 4687a13 |
| Base 14 | 34d4314 | 34d7914 |
| Base 15 | 2828b15 | 282be15 |
| Base 16 | 1f73f16 | 1f76f16 |