Compare 997 vs 1613
| Property | 997 | 1613 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9971 | 16131 |
| Prime factorization | 997 | 1613 |
| Divisors count | 2 | 2 |
| Divisors | 1, 997 | 1, 1613 |
| Number of properties | 6 | 13 |
| Additive primes | 136th | |
| Cousin primes (2nd member) | 58th | |
| Harmonic primes | 88th | |
| Isolated primes | 99th | 154th |
| Left-truncatable primes | 54th | 60th |
| Lucky primes | 43rd | |
| Primes | 168th | 255th |
| Prime triplets (3rd member) | 42nd | |
| Pythagorean primes | 80th | 122nd |
| Sexy primes (1st member) | 110th | |
| Sexy primes (2nd member) | 74th | 109th |
| Sexy prime quadrupletss (3rd member) | 10th | |
| Sexy prime triplets (2nd member) | 42nd | |
| Sexy prime triplets (3rd member) | 41st | |
| Roman numberals | CMXCVII | MDCXIII |
| Base 2 | 11111001012 | 110010011012 |
| Base 3 | 11002213 | 20122023 |
| Base 4 | 332114 | 1210314 |
| Base 5 | 124425 | 224235 |
| Base 6 | 43416 | 112456 |
| Base 7 | 26237 | 44637 |
| Base 8 | 17458 | 31158 |
| Base 9 | 13279 | 21829 |
| Base 10 | 99710 | 161310 |
| Base 11 | 82711 | 123711 |
| Base 12 | 6b112 | b2512 |
| Base 13 | 5b913 | 97113 |
| Base 14 | 51314 | 83314 |
| Base 15 | 46715 | 72815 |
| Base 16 | 3e516 | 64d16 |