Compare 2855 vs 2857
| Property | 2855 | 2857 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 5711 | 28571 |
| Prime factorization | 5 × 571 | 2857 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 571, 2855 | 1, 2857 |
| Number of properties | 1 | 6 |
| Chen primes | 246th | |
| Cousin primes (1st member) | 86th | |
| Isolated primes | 256th | |
| Primes | 415th | |
| Pythagorean primes | 204th | |
| Semiprimes | 796th | |
| Sexy primes (2nd member) | 165th | |
| Roman numberals | MMDCCCLV | MMDCCCLVII |
| Base 2 | 1011001001112 | 1011001010012 |
| Base 3 | 102202023 | 102202113 |
| Base 4 | 2302134 | 2302214 |
| Base 5 | 424105 | 424125 |
| Base 6 | 211156 | 211216 |
| Base 7 | 112167 | 112217 |
| Base 8 | 54478 | 54518 |
| Base 9 | 38229 | 38249 |
| Base 10 | 285510 | 285710 |
| Base 11 | 216611 | 216811 |
| Base 12 | 179b12 | 17a112 |
| Base 13 | 13b813 | 13ba13 |
| Base 14 | 107d14 | 108114 |
| Base 15 | ca515 | ca715 |
| Base 16 | b2716 | b2916 |