Compare 997 vs 1201
| Property | 997 | 1201 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9971 | 12011 |
| Prime factorization | 997 | 1201 |
| Divisors count | 2 | 2 |
| Divisors | 1, 997 | 1, 1201 |
| Number of properties | 6 | 11 |
| Centered decagonal primes | 11th | |
| Centered square primes | 12th | |
| Chen primes | 130th | |
| Cuban primes 2 | 6th | |
| Emirps | 51st | |
| Harmonic primes | 69th | |
| Isolated primes | 99th | 116th |
| Left-truncatable primes | 54th | |
| Lucky primes | 43rd | 51st |
| Primes | 168th | 197th |
| Pythagorean primes | 80th | 96th |
| Sexy primes (2nd member) | 74th | |
| Super primes | 45th | |
| Roman numberals | CMXCVII | MCCI |
| Base 2 | 11111001012 | 100101100012 |
| Base 3 | 11002213 | 11221113 |
| Base 4 | 332114 | 1023014 |
| Base 5 | 124425 | 143015 |
| Base 6 | 43416 | 53216 |
| Base 7 | 26237 | 33347 |
| Base 8 | 17458 | 22618 |
| Base 9 | 13279 | 15749 |
| Base 10 | 99710 | 120110 |
| Base 11 | 82711 | 9a211 |
| Base 12 | 6b112 | 84112 |
| Base 13 | 5b913 | 71513 |
| Base 14 | 51314 | 61b14 |
| Base 15 | 46715 | 55115 |
| Base 16 | 3e516 | 4b116 |