Compare 1319 vs 1721
| Property | 1319 | 1721 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13191 | 17211 |
| Prime factorization | 1319 | 1721 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1319 | 1, 1721 |
| Number of properties | 4 | 6 |
| Additive primes | 143rd | |
| Chen primes | 140th | 169th |
| Primes | 215th | 268th |
| Pythagorean primes | 130th | |
| Safe primes | 30th | |
| Twin primes (1st member) | 46th | 55th |
| Ulam primes | 25th | |
| Roman numberals | MCCCXIX | MDCCXXI |
| Base 2 | 101001001112 | 110101110012 |
| Base 3 | 12102123 | 21002023 |
| Base 4 | 1102134 | 1223214 |
| Base 5 | 202345 | 233415 |
| Base 6 | 100356 | 115456 |
| Base 7 | 35637 | 50067 |
| Base 8 | 24478 | 32718 |
| Base 9 | 17259 | 23229 |
| Base 10 | 131910 | 172110 |
| Base 11 | a9a11 | 132511 |
| Base 12 | 91b12 | bb512 |
| Base 13 | 7a613 | a2513 |
| Base 14 | 6a314 | 8ad14 |
| Base 15 | 5ce15 | 79b15 |
| Base 16 | 52716 | 6b916 |