Compare 1213 vs 1303
| Property | 1213 | 1303 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12131 | 13031 |
| Prime factorization | 1213 | 1303 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1213 | 1, 1303 |
| Number of properties | 7 | 11 |
| Additive primes | 106th | 116th |
| Cousin primes (1st member) | 45th | 48th |
| Emirps | 52nd | |
| Good primes | 49th | |
| Happy primes | 42nd | |
| Isolated primes | 117th | |
| Long primes | 83rd | |
| Lucky primes | 55th | |
| Primes | 198th | 213th |
| Prime triplets (2nd member) | 35th | |
| Prime triplets (3rd member) | 34th | |
| Pythagorean primes | 97th | |
| Sexy primes (2nd member) | 92nd | |
| Sexy prime triplets (3rd member) | 35th | |
| Twin primes (2nd member) | 45th | |
| Roman numberals | MCCXIII | MCCCIII |
| Base 2 | 100101111012 | 101000101112 |
| Base 3 | 11222213 | 12100213 |
| Base 4 | 1023314 | 1101134 |
| Base 5 | 143235 | 202035 |
| Base 6 | 53416 | 100116 |
| Base 7 | 33527 | 35417 |
| Base 8 | 22758 | 24278 |
| Base 9 | 15879 | 17079 |
| Base 10 | 121310 | 130310 |
| Base 11 | a0311 | a8511 |
| Base 12 | 85112 | 90712 |
| Base 13 | 72413 | 79313 |
| Base 14 | 62914 | 69114 |
| Base 15 | 55d15 | 5bd15 |
| Base 16 | 4bd16 | 51716 |