Compare 985 vs 997
| Property | 985 | 997 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 1971 | 9971 |
| Prime factorization | 5 × 197 | 997 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 197, 985 | 1, 997 |
| Number of properties | 1 | 6 |
| Isolated primes | 99th | |
| Left-truncatable primes | 54th | |
| Lucky primes | 43rd | |
| Primes | 168th | |
| Pythagorean primes | 80th | |
| Semiprimes | 295th | |
| Sexy primes (2nd member) | 74th | |
| Roman numberals | CMLXXXV | CMXCVII |
| Base 2 | 11110110012 | 11111001012 |
| Base 3 | 11001113 | 11002213 |
| Base 4 | 331214 | 332114 |
| Base 5 | 124205 | 124425 |
| Base 6 | 43216 | 43416 |
| Base 7 | 26057 | 26237 |
| Base 8 | 17318 | 17458 |
| Base 9 | 13149 | 13279 |
| Base 10 | 98510 | 99710 |
| Base 11 | 81611 | 82711 |
| Base 12 | 6a112 | 6b112 |
| Base 13 | 5aa13 | 5b913 |
| Base 14 | 50514 | 51314 |
| Base 15 | 45a15 | 46715 |
| Base 16 | 3d916 | 3e516 |