Compare 649 vs 658
| Property | 649 | 658 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 111 × 591 | 21 × 71 × 471 |
| Prime factorization | 11 × 59 | 2 × 7 × 47 |
| Divisors count | 4 | 8 |
| Divisors | 1, 11, 59, 649 | 1, 2, 7, 14, 47, 94, 329, 658 |
| Number of properties | 1 | 0 |
| Semiprimes | 196th | |
| Roman numberals | DCXLIX | DCLVIII |
| Base 2 | 10100010012 | 10100100102 |
| Base 3 | 2200013 | 2201013 |
| Base 4 | 220214 | 221024 |
| Base 5 | 100445 | 101135 |
| Base 6 | 30016 | 30146 |
| Base 7 | 16157 | 16307 |
| Base 8 | 12118 | 12228 |
| Base 9 | 8019 | 8119 |
| Base 10 | 64910 | 65810 |
| Base 11 | 54011 | 54911 |
| Base 12 | 46112 | 46a12 |
| Base 13 | 3ac13 | 3b813 |
| Base 14 | 34514 | 35014 |
| Base 15 | 2d415 | 2dd15 |
| Base 16 | 28916 | 29216 |