Compare 1309 vs 1319
| Property | 1309 | 1319 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 111 × 171 | 13191 |
| Prime factorization | 7 × 11 × 17 | 1319 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 11, 17, 77, 119, 187, 1309 | 1, 1319 |
| Number of properties | 0 | 4 |
| Chen primes | 140th | |
| Primes | 215th | |
| Safe primes | 30th | |
| Twin primes (1st member) | 46th | |
| Roman numberals | MCCCIX | MCCCXIX |
| Base 2 | 101000111012 | 101001001112 |
| Base 3 | 12101113 | 12102123 |
| Base 4 | 1101314 | 1102134 |
| Base 5 | 202145 | 202345 |
| Base 6 | 100216 | 100356 |
| Base 7 | 35507 | 35637 |
| Base 8 | 24358 | 24478 |
| Base 9 | 17149 | 17259 |
| Base 10 | 130910 | 131910 |
| Base 11 | a9011 | a9a11 |
| Base 12 | 91112 | 91b12 |
| Base 13 | 79913 | 7a613 |
| Base 14 | 69714 | 6a314 |
| Base 15 | 5c415 | 5ce15 |
| Base 16 | 51d16 | 52716 |