Compare 1959 vs 1966
| Property | 1959 | 1966 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 6531 | 21 × 9831 |
| Prime factorization | 3 × 653 | 2 × 983 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 653, 1959 | 1, 2, 983, 1966 |
| Number of properties | 1 | 1 |
| Semiprimes | 565th | 568th |
| Roman numberals | MCMLIX | MCMLXVI |
| Base 2 | 111101001112 | 111101011102 |
| Base 3 | 22001203 | 22002113 |
| Base 4 | 1322134 | 1322324 |
| Base 5 | 303145 | 303315 |
| Base 6 | 130236 | 130346 |
| Base 7 | 54667 | 55067 |
| Base 8 | 36478 | 36568 |
| Base 9 | 26169 | 26249 |
| Base 10 | 195910 | 196610 |
| Base 11 | 152111 | 152811 |
| Base 12 | 117312 | 117a12 |
| Base 13 | b7913 | b8313 |
| Base 14 | 9dd14 | a0614 |
| Base 15 | 8a915 | 8b115 |
| Base 16 | 7a716 | 7ae16 |