Compare 997 vs 1249
| Property | 997 | 1249 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9971 | 12491 |
| Prime factorization | 997 | 1249 |
| Divisors count | 2 | 2 |
| Divisors | 1, 997 | 1, 1249 |
| Number of properties | 6 | 5 |
| Emirps | 58th | |
| Isolated primes | 99th | 121st |
| Left-truncatable primes | 54th | |
| Lucky primes | 43rd | 53rd |
| Primes | 168th | 204th |
| Pythagorean primes | 80th | 101st |
| Sexy primes (2nd member) | 74th | |
| Roman numberals | CMXCVII | MCCXLIX |
| Base 2 | 11111001012 | 100111000012 |
| Base 3 | 11002213 | 12010213 |
| Base 4 | 332114 | 1032014 |
| Base 5 | 124425 | 144445 |
| Base 6 | 43416 | 54416 |
| Base 7 | 26237 | 34337 |
| Base 8 | 17458 | 23418 |
| Base 9 | 13279 | 16379 |
| Base 10 | 99710 | 124910 |
| Base 11 | 82711 | a3611 |
| Base 12 | 6b112 | 88112 |
| Base 13 | 5b913 | 75113 |
| Base 14 | 51314 | 65314 |
| Base 15 | 46715 | 58415 |
| Base 16 | 3e516 | 4e116 |