Compare 1679 vs 1681
| Property | 1679 | 1681 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 2 |
| Prime factorization | 231 × 731 | 412 |
| Prime factorization | 23 × 73 | 41 × 41 |
| Divisors count | 4 | 3 |
| Divisors | 1, 23, 73, 1679 | 1, 41, 1681 |
| Number of properties | 1 | 1 |
| Semiprimes | 483rd | 484th |
| Roman numberals | MDCLXXIX | MDCLXXXI |
| Base 2 | 110100011112 | 110100100012 |
| Base 3 | 20220123 | 20220213 |
| Base 4 | 1220334 | 1221014 |
| Base 5 | 232045 | 232115 |
| Base 6 | 114356 | 114416 |
| Base 7 | 46167 | 46217 |
| Base 8 | 32178 | 32218 |
| Base 9 | 22659 | 22679 |
| Base 10 | 167910 | 168110 |
| Base 11 | 129711 | 129911 |
| Base 12 | b7b12 | b8112 |
| Base 13 | 9c213 | 9c413 |
| Base 14 | 87d14 | 88114 |
| Base 15 | 76e15 | 77115 |
| Base 16 | 68f16 | 69116 |