Compare 623 vs 655
| Property | 623 | 655 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 891 | 51 × 1311 |
| Prime factorization | 7 × 89 | 5 × 131 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 89, 623 | 1, 5, 131, 655 |
| Number of properties | 1 | 1 |
| Semiprimes | 190th | 197th |
| Roman numberals | DCXXIII | DCLV |
| Base 2 | 10011011112 | 10100011112 |
| Base 3 | 2120023 | 2200213 |
| Base 4 | 212334 | 220334 |
| Base 5 | 44435 | 101105 |
| Base 6 | 25156 | 30116 |
| Base 7 | 15507 | 16247 |
| Base 8 | 11578 | 12178 |
| Base 9 | 7629 | 8079 |
| Base 10 | 62310 | 65510 |
| Base 11 | 51711 | 54611 |
| Base 12 | 43b12 | 46712 |
| Base 13 | 38c13 | 3b513 |
| Base 14 | 32714 | 34b14 |
| Base 15 | 2b815 | 2da15 |
| Base 16 | 26f16 | 28f16 |