Compare 1685 vs 1693
| Property | 1685 | 1693 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 3371 | 16931 |
| Prime factorization | 5 × 337 | 1693 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 337, 1685 | 1, 1693 |
| Number of properties | 1 | 8 |
| Additive primes | 140th | |
| Cousin primes (1st member) | 60th | |
| Isolated primes | 159th | |
| Lucky primes | 63rd | |
| Primes | 264th | |
| Prime triplets (1st member) | 44th | |
| Pythagorean primes | 127th | |
| Semiprimes | 485th | |
| Sexy primes (1st member) | 114th | |
| Roman numberals | MDCLXXXV | MDCXCIII |
| Base 2 | 110100101012 | 110100111012 |
| Base 3 | 20221023 | 20222013 |
| Base 4 | 1221114 | 1221314 |
| Base 5 | 232205 | 232335 |
| Base 6 | 114456 | 115016 |
| Base 7 | 46257 | 46367 |
| Base 8 | 32258 | 32358 |
| Base 9 | 22729 | 22819 |
| Base 10 | 168510 | 169310 |
| Base 11 | 12a211 | 12aa11 |
| Base 12 | b8512 | b9112 |
| Base 13 | 9c813 | a0313 |
| Base 14 | 88514 | 88d14 |
| Base 15 | 77515 | 77d15 |
| Base 16 | 69516 | 69d16 |