Compare 1713 vs 1721
| Property | 1713 | 1721 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 5711 | 17211 |
| Prime factorization | 3 × 571 | 1721 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 571, 1713 | 1, 1721 |
| Number of properties | 1 | 6 |
| Additive primes | 143rd | |
| Chen primes | 169th | |
| Primes | 268th | |
| Pythagorean primes | 130th | |
| Semiprimes | 493rd | |
| Twin primes (1st member) | 55th | |
| Ulam primes | 25th | |
| Roman numberals | MDCCXIII | MDCCXXI |
| Base 2 | 110101100012 | 110101110012 |
| Base 3 | 21001103 | 21002023 |
| Base 4 | 1223014 | 1223214 |
| Base 5 | 233235 | 233415 |
| Base 6 | 115336 | 115456 |
| Base 7 | 46657 | 50067 |
| Base 8 | 32618 | 32718 |
| Base 9 | 23139 | 23229 |
| Base 10 | 171310 | 172110 |
| Base 11 | 131811 | 132511 |
| Base 12 | ba912 | bb512 |
| Base 13 | a1a13 | a2513 |
| Base 14 | 8a514 | 8ad14 |
| Base 15 | 79315 | 79b15 |
| Base 16 | 6b116 | 6b916 |