Compare 649 vs 662
| Property | 649 | 662 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 111 × 591 | 21 × 3311 |
| Prime factorization | 11 × 59 | 2 × 331 |
| Divisors count | 4 | 4 |
| Divisors | 1, 11, 59, 649 | 1, 2, 331, 662 |
| Number of properties | 1 | 1 |
| Semiprimes | 196th | 198th |
| Roman numberals | DCXLIX | DCLXII |
| Base 2 | 10100010012 | 10100101102 |
| Base 3 | 2200013 | 2201123 |
| Base 4 | 220214 | 221124 |
| Base 5 | 100445 | 101225 |
| Base 6 | 30016 | 30226 |
| Base 7 | 16157 | 16347 |
| Base 8 | 12118 | 12268 |
| Base 9 | 8019 | 8159 |
| Base 10 | 64910 | 66210 |
| Base 11 | 54011 | 55211 |
| Base 12 | 46112 | 47212 |
| Base 13 | 3ac13 | 3bc13 |
| Base 14 | 34514 | 35414 |
| Base 15 | 2d415 | 2e215 |
| Base 16 | 28916 | 29616 |