Compare 1964 vs 1966
| Property | 1964 | 1966 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 22 × 4911 | 21 × 9831 |
| Prime factorization | 2 × 2 × 491 | 2 × 983 |
| Divisors count | 6 | 4 |
| Divisors | 1, 2, 4, 491, 982, 1964 | 1, 2, 983, 1966 |
| Number of properties | 0 | 1 |
| Semiprimes | 568th | |
| Roman numberals | MCMLXIV | MCMLXVI |
| Base 2 | 111101011002 | 111101011102 |
| Base 3 | 22002023 | 22002113 |
| Base 4 | 1322304 | 1322324 |
| Base 5 | 303245 | 303315 |
| Base 6 | 130326 | 130346 |
| Base 7 | 55047 | 55067 |
| Base 8 | 36548 | 36568 |
| Base 9 | 26229 | 26249 |
| Base 10 | 196410 | 196610 |
| Base 11 | 152611 | 152811 |
| Base 12 | 117812 | 117a12 |
| Base 13 | b8113 | b8313 |
| Base 14 | a0414 | a0614 |
| Base 15 | 8ae15 | 8b115 |
| Base 16 | 7ac16 | 7ae16 |