Compare 1213 vs 1279
| Property | 1213 | 1279 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12131 | 12791 |
| Prime factorization | 1213 | 1279 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1213 | 1, 1279 |
| Number of properties | 7 | 7 |
| Additive primes | 106th | 112th |
| Cousin primes (1st member) | 45th | 46th |
| Emirps | 52nd | 60th |
| Good primes | 49th | |
| Isolated primes | 117th | |
| Primes | 198th | 207th |
| Prime triplets (2nd member) | 33rd | |
| Pythagorean primes | 97th | |
| Solinas primes | 53rd | |
| Twin primes (2nd member) | 43rd | |
| Roman numberals | MCCXIII | MCCLXXIX |
| Base 2 | 100101111012 | 100111111112 |
| Base 3 | 11222213 | 12021013 |
| Base 4 | 1023314 | 1033334 |
| Base 5 | 143235 | 201045 |
| Base 6 | 53416 | 55316 |
| Base 7 | 33527 | 35057 |
| Base 8 | 22758 | 23778 |
| Base 9 | 15879 | 16719 |
| Base 10 | 121310 | 127910 |
| Base 11 | a0311 | a6311 |
| Base 12 | 85112 | 8a712 |
| Base 13 | 72413 | 77513 |
| Base 14 | 62914 | 67514 |
| Base 15 | 55d15 | 5a415 |
| Base 16 | 4bd16 | 4ff16 |