Compare 667 vs 671
| Property | 667 | 671 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 231 × 291 | 111 × 611 |
| Prime factorization | 23 × 29 | 11 × 61 |
| Divisors count | 4 | 4 |
| Divisors | 1, 23, 29, 667 | 1, 11, 61, 671 |
| Number of properties | 1 | 1 |
| Semiprimes | 199th | 201st |
| Roman numberals | DCLXVII | DCLXXI |
| Base 2 | 10100110112 | 10100111112 |
| Base 3 | 2202013 | 2202123 |
| Base 4 | 221234 | 221334 |
| Base 5 | 101325 | 101415 |
| Base 6 | 30316 | 30356 |
| Base 7 | 16427 | 16467 |
| Base 8 | 12338 | 12378 |
| Base 9 | 8219 | 8259 |
| Base 10 | 66710 | 67110 |
| Base 11 | 55711 | 56011 |
| Base 12 | 47712 | 47b12 |
| Base 13 | 3c413 | 3c813 |
| Base 14 | 35914 | 35d14 |
| Base 15 | 2e715 | 2eb15 |
| Base 16 | 29b16 | 29f16 |