Compare 623 vs 669
| Property | 623 | 669 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 891 | 31 × 2231 |
| Prime factorization | 7 × 89 | 3 × 223 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 89, 623 | 1, 3, 223, 669 |
| Number of properties | 1 | 1 |
| Semiprimes | 190th | 200th |
| Roman numberals | DCXXIII | DCLXIX |
| Base 2 | 10011011112 | 10100111012 |
| Base 3 | 2120023 | 2202103 |
| Base 4 | 212334 | 221314 |
| Base 5 | 44435 | 101345 |
| Base 6 | 25156 | 30336 |
| Base 7 | 15507 | 16447 |
| Base 8 | 11578 | 12358 |
| Base 9 | 7629 | 8239 |
| Base 10 | 62310 | 66910 |
| Base 11 | 51711 | 55911 |
| Base 12 | 43b12 | 47912 |
| Base 13 | 38c13 | 3c613 |
| Base 14 | 32714 | 35b14 |
| Base 15 | 2b815 | 2e915 |
| Base 16 | 26f16 | 29d16 |