Compare 1318 vs 1319
| Property | 1318 | 1319 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 6591 | 13191 |
| Prime factorization | 2 × 659 | 1319 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 659, 1318 | 1, 1319 |
| Number of properties | 1 | 4 |
| Chen primes | 140th | |
| Primes | 215th | |
| Safe primes | 30th | |
| Semiprimes | 387th | |
| Twin primes (1st member) | 46th | |
| Roman numberals | MCCCXVIII | MCCCXIX |
| Base 2 | 101001001102 | 101001001112 |
| Base 3 | 12102113 | 12102123 |
| Base 4 | 1102124 | 1102134 |
| Base 5 | 202335 | 202345 |
| Base 6 | 100346 | 100356 |
| Base 7 | 35627 | 35637 |
| Base 8 | 24468 | 24478 |
| Base 9 | 17249 | 17259 |
| Base 10 | 131810 | 131910 |
| Base 11 | a9911 | a9a11 |
| Base 12 | 91a12 | 91b12 |
| Base 13 | 7a513 | 7a613 |
| Base 14 | 6a214 | 6a314 |
| Base 15 | 5cd15 | 5ce15 |
| Base 16 | 52616 | 52716 |