Compare 1213 vs 1217
| Property | 1213 | 1217 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12131 | 12171 |
| Prime factorization | 1213 | 1217 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1213 | 1, 1217 |
| Number of properties | 7 | 12 |
| Additive primes | 106th | 107th |
| Chen primes | 131st | |
| Cousin primes (1st member) | 45th | |
| Cousin primes (2nd member) | 45th | |
| Emirps | 52nd | 53rd |
| Good primes | 49th | |
| Isolated primes | 117th | 118th |
| Long primes | 76th | |
| Primes | 198th | 199th |
| Proth primes | 19th | |
| Pythagorean primes | 97th | 98th |
| Sexy primes (1st member) | 86th | |
| Sexy prime triplets (1st member) | 33rd | |
| Super primes | 46th | |
| Roman numberals | MCCXIII | MCCXVII |
| Base 2 | 100101111012 | 100110000012 |
| Base 3 | 11222213 | 12000023 |
| Base 4 | 1023314 | 1030014 |
| Base 5 | 143235 | 143325 |
| Base 6 | 53416 | 53456 |
| Base 7 | 33527 | 33567 |
| Base 8 | 22758 | 23018 |
| Base 9 | 15879 | 16029 |
| Base 10 | 121310 | 121710 |
| Base 11 | a0311 | a0711 |
| Base 12 | 85112 | 85512 |
| Base 13 | 72413 | 72813 |
| Base 14 | 62914 | 62d14 |
| Base 15 | 55d15 | 56215 |
| Base 16 | 4bd16 | 4c116 |