Compare 1855 vs 1867
| Property | 1855 | 1867 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 71 × 531 | 18671 |
| Prime factorization | 5 × 7 × 53 | 1867 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 7, 35, 53, 265, 371, 1855 | 1, 1867 |
| Number of properties | 0 | 12 |
| Cousin primes (1st member) | 62nd | |
| Emirps | 90th | |
| Good primes | 59th | |
| Isolated primes | 174th | |
| Primes | 285th | |
| Prime quintuplet 1s (1st member) | 3rd | |
| Prime triplets (1st member) | 46th | |
| Sexy primes (1st member) | 121st | |
| Sexy primes (2nd member) | 120th | |
| Sexy prime quadrupletss (2nd member) | 12th | |
| Sexy prime triplets (1st member) | 48th | |
| Sexy prime triplets (2nd member) | 47th | |
| Roman numberals | MDCCCLV | MDCCCLXVII |
| Base 2 | 111001111112 | 111010010112 |
| Base 3 | 21122013 | 21200113 |
| Base 4 | 1303334 | 1310234 |
| Base 5 | 244105 | 244325 |
| Base 6 | 123316 | 123516 |
| Base 7 | 52607 | 53057 |
| Base 8 | 34778 | 35138 |
| Base 9 | 24819 | 25049 |
| Base 10 | 185510 | 186710 |
| Base 11 | 143711 | 144811 |
| Base 12 | 10a712 | 10b712 |
| Base 13 | ac913 | b0813 |
| Base 14 | 96714 | 97514 |
| Base 15 | 83a15 | 84715 |
| Base 16 | 73f16 | 74b16 |