Compare 1213 vs 1307
| Property | 1213 | 1307 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12131 | 13071 |
| Prime factorization | 1213 | 1307 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1213 | 1, 1307 |
| Number of properties | 7 | 7 |
| Additive primes | 106th | 117th |
| Cousin primes (1st member) | 45th | |
| Cousin primes (2nd member) | 48th | |
| Emirps | 52nd | |
| Good primes | 49th | |
| Isolated primes | 117th | 125th |
| Primes | 198th | 214th |
| Prime triplets (3rd member) | 35th | |
| Pythagorean primes | 97th | |
| Safe primes | 29th | |
| Sexy primes (2nd member) | 93rd | |
| Roman numberals | MCCXIII | MCCCVII |
| Base 2 | 100101111012 | 101000110112 |
| Base 3 | 11222213 | 12101023 |
| Base 4 | 1023314 | 1101234 |
| Base 5 | 143235 | 202125 |
| Base 6 | 53416 | 100156 |
| Base 7 | 33527 | 35457 |
| Base 8 | 22758 | 24338 |
| Base 9 | 15879 | 17129 |
| Base 10 | 121310 | 130710 |
| Base 11 | a0311 | a8911 |
| Base 12 | 85112 | 90b12 |
| Base 13 | 72413 | 79713 |
| Base 14 | 62914 | 69514 |
| Base 15 | 55d15 | 5c215 |
| Base 16 | 4bd16 | 51b16 |