Compare 1997 vs 2237
| Property | 1997 | 2237 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19971 | 22371 |
| Prime factorization | 1997 | 2237 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1997 | 1, 2237 |
| Number of properties | 10 | 7 |
| Chen primes | 185th | 202nd |
| Cousin primes (2nd member) | 64th | |
| Good primes | 64th | 67th |
| Left-truncatable primes | 62nd | |
| Primes | 302nd | 332nd |
| Prime triplets (1st member) | 50th | 54th |
| Prime triplets (2nd member) | 49th | |
| Pythagorean primes | 147th | 162nd |
| Sexy primes (1st member) | 129th | 137th |
| Twin primes (1st member) | 61st | 68th |
| Roman numberals | MCMXCVII | MMCCXXXVII |
| Base 2 | 111110011012 | 1000101111012 |
| Base 3 | 22012223 | 100012123 |
| Base 4 | 1330314 | 2023314 |
| Base 5 | 304425 | 324225 |
| Base 6 | 131256 | 142056 |
| Base 7 | 55527 | 63447 |
| Base 8 | 37158 | 42758 |
| Base 9 | 26589 | 30559 |
| Base 10 | 199710 | 223710 |
| Base 11 | 155611 | 175411 |
| Base 12 | 11a512 | 136512 |
| Base 13 | ba813 | 103113 |
| Base 14 | a2914 | b5b14 |
| Base 15 | 8d215 | 9e215 |
| Base 16 | 7cd16 | 8bd16 |