Compare 666 vs 678
| Property | 666 | 678 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 21 × 32 × 371 | 21 × 31 × 1131 |
| Prime factorization | 2 × 3 × 3 × 37 | 2 × 3 × 113 |
| Divisors count | 12 | 8 |
| Divisors | 1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666 | 1, 2, 3, 6, 113, 226, 339, 678 |
| Number of properties | 0 | 0 |
| Roman numberals | DCLXVI | DCLXXVIII |
| Base 2 | 10100110102 | 10101001102 |
| Base 3 | 2202003 | 2210103 |
| Base 4 | 221224 | 222124 |
| Base 5 | 101315 | 102035 |
| Base 6 | 30306 | 30506 |
| Base 7 | 16417 | 16567 |
| Base 8 | 12328 | 12468 |
| Base 9 | 8209 | 8339 |
| Base 10 | 66610 | 67810 |
| Base 11 | 55611 | 56711 |
| Base 12 | 47612 | 48612 |
| Base 13 | 3c313 | 40213 |
| Base 14 | 35814 | 36614 |
| Base 15 | 2e615 | 30315 |
| Base 16 | 29a16 | 2a616 |