Compare 1663 vs 1693
| Property | 1663 | 1693 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 16631 | 16931 |
| Prime factorization | 1663 | 1693 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1663 | 1, 1693 |
| Number of properties | 11 | 8 |
| Additive primes | 140th | |
| Cousin primes (1st member) | 59th | 60th |
| Happy primes | 50th | |
| Harmonic primes | 91st | |
| Isolated primes | 158th | 159th |
| Long primes | 102nd | |
| Lucky primes | 62nd | 63rd |
| Primes | 261st | 264th |
| Prime triplets (1st member) | 43rd | 44th |
| Pythagorean primes | 127th | |
| Sexy primes (1st member) | 113th | 114th |
| Sexy primes (2nd member) | 112th | |
| Sexy prime triplets (2nd member) | 43rd | |
| Roman numberals | MDCLXIII | MDCXCIII |
| Base 2 | 110011111112 | 110100111012 |
| Base 3 | 20211213 | 20222013 |
| Base 4 | 1213334 | 1221314 |
| Base 5 | 231235 | 232335 |
| Base 6 | 114116 | 115016 |
| Base 7 | 45647 | 46367 |
| Base 8 | 31778 | 32358 |
| Base 9 | 22479 | 22819 |
| Base 10 | 166310 | 169310 |
| Base 11 | 128211 | 12aa11 |
| Base 12 | b6712 | b9112 |
| Base 13 | 9ac13 | a0313 |
| Base 14 | 86b14 | 88d14 |
| Base 15 | 75d15 | 77d15 |
| Base 16 | 67f16 | 69d16 |