Compare 655 vs 679
| Property | 655 | 679 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 1311 | 71 × 971 |
| Prime factorization | 5 × 131 | 7 × 97 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 131, 655 | 1, 7, 97, 679 |
| Number of properties | 1 | 1 |
| Semiprimes | 197th | 203rd |
| Roman numberals | DCLV | DCLXXIX |
| Base 2 | 10100011112 | 10101001112 |
| Base 3 | 2200213 | 2210113 |
| Base 4 | 220334 | 222134 |
| Base 5 | 101105 | 102045 |
| Base 6 | 30116 | 30516 |
| Base 7 | 16247 | 16607 |
| Base 8 | 12178 | 12478 |
| Base 9 | 8079 | 8349 |
| Base 10 | 65510 | 67910 |
| Base 11 | 54611 | 56811 |
| Base 12 | 46712 | 48712 |
| Base 13 | 3b513 | 40313 |
| Base 14 | 34b14 | 36714 |
| Base 15 | 2da15 | 30415 |
| Base 16 | 28f16 | 2a716 |