Compare 1213 vs 1214
| Property | 1213 | 1214 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 12131 | 21 × 6071 |
| Prime factorization | 1213 | 2 × 607 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1213 | 1, 2, 607, 1214 |
| Number of properties | 7 | 1 |
| Additive primes | 106th | |
| Cousin primes (1st member) | 45th | |
| Emirps | 52nd | |
| Good primes | 49th | |
| Isolated primes | 117th | |
| Primes | 198th | |
| Pythagorean primes | 97th | |
| Semiprimes | 359th | |
| Roman numberals | MCCXIII | MCCXIV |
| Base 2 | 100101111012 | 100101111102 |
| Base 3 | 11222213 | 11222223 |
| Base 4 | 1023314 | 1023324 |
| Base 5 | 143235 | 143245 |
| Base 6 | 53416 | 53426 |
| Base 7 | 33527 | 33537 |
| Base 8 | 22758 | 22768 |
| Base 9 | 15879 | 15889 |
| Base 10 | 121310 | 121410 |
| Base 11 | a0311 | a0411 |
| Base 12 | 85112 | 85212 |
| Base 13 | 72413 | 72513 |
| Base 14 | 62914 | 62a14 |
| Base 15 | 55d15 | 55e15 |
| Base 16 | 4bd16 | 4be16 |