Compare 2857 vs 2869
| Property | 2857 | 2869 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 28571 | 191 × 1511 |
| Prime factorization | 2857 | 19 × 151 |
| Divisors count | 2 | 4 |
| Divisors | 1, 2857 | 1, 19, 151, 2869 |
| Number of properties | 6 | 1 |
| Chen primes | 246th | |
| Cousin primes (1st member) | 86th | |
| Isolated primes | 256th | |
| Primes | 415th | |
| Pythagorean primes | 204th | |
| Semiprimes | 802nd | |
| Sexy primes (2nd member) | 165th | |
| Roman numberals | MMDCCCLVII | MMDCCCLXIX |
| Base 2 | 1011001010012 | 1011001101012 |
| Base 3 | 102202113 | 102210213 |
| Base 4 | 2302214 | 2303114 |
| Base 5 | 424125 | 424345 |
| Base 6 | 211216 | 211416 |
| Base 7 | 112217 | 112367 |
| Base 8 | 54518 | 54658 |
| Base 9 | 38249 | 38379 |
| Base 10 | 285710 | 286910 |
| Base 11 | 216811 | 217911 |
| Base 12 | 17a112 | 17b112 |
| Base 13 | 13ba13 | 13c913 |
| Base 14 | 108114 | 108d14 |
| Base 15 | ca715 | cb415 |
| Base 16 | b2916 | b3516 |