Compare 997 vs 1373
| Property | 997 | 1373 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9971 | 13731 |
| Prime factorization | 997 | 1373 |
| Divisors count | 2 | 2 |
| Divisors | 1, 997 | 1, 1373 |
| Number of properties | 6 | 7 |
| Happy primes | 43rd | |
| Isolated primes | 99th | 129th |
| Left-truncatable primes | 54th | 58th |
| Lucky primes | 43rd | |
| Primes | 168th | 220th |
| Pythagorean primes | 80th | 108th |
| Sexy primes (2nd member) | 74th | 96th |
| Sexy prime triplets (3rd member) | 36th | |
| Roman numberals | CMXCVII | MCCCLXXIII |
| Base 2 | 11111001012 | 101010111012 |
| Base 3 | 11002213 | 12122123 |
| Base 4 | 332114 | 1111314 |
| Base 5 | 124425 | 204435 |
| Base 6 | 43416 | 102056 |
| Base 7 | 26237 | 40017 |
| Base 8 | 17458 | 25358 |
| Base 9 | 13279 | 17859 |
| Base 10 | 99710 | 137310 |
| Base 11 | 82711 | 103911 |
| Base 12 | 6b112 | 96512 |
| Base 13 | 5b913 | 81813 |
| Base 14 | 51314 | 70114 |
| Base 15 | 46715 | 61815 |
| Base 16 | 3e516 | 55d16 |