Compare 1966 vs 1968
| Property | 1966 | 1968 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 6 |
| Prime factorization | 21 × 9831 | 24 × 31 × 411 |
| Prime factorization | 2 × 983 | 2 × 2 × 2 × 2 × 3 × 41 |
| Divisors count | 4 | 20 |
| Divisors | 1, 2, 983, 1966 | 1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968 |
| Number of properties | 1 | 0 |
| Semiprimes | 568th | |
| Roman numberals | MCMLXVI | MCMLXVIII |
| Base 2 | 111101011102 | 111101100002 |
| Base 3 | 22002113 | 22002203 |
| Base 4 | 1322324 | 1323004 |
| Base 5 | 303315 | 303335 |
| Base 6 | 130346 | 130406 |
| Base 7 | 55067 | 55117 |
| Base 8 | 36568 | 36608 |
| Base 9 | 26249 | 26269 |
| Base 10 | 196610 | 196810 |
| Base 11 | 152811 | 152a11 |
| Base 12 | 117a12 | 118012 |
| Base 13 | b8313 | b8513 |
| Base 14 | a0614 | a0814 |
| Base 15 | 8b115 | 8b315 |
| Base 16 | 7ae16 | 7b016 |