Compare 1943 vs 1966
| Property | 1943 | 1966 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 291 × 671 | 21 × 9831 |
| Prime factorization | 29 × 67 | 2 × 983 |
| Divisors count | 4 | 4 |
| Divisors | 1, 29, 67, 1943 | 1, 2, 983, 1966 |
| Number of properties | 1 | 1 |
| Semiprimes | 561st | 568th |
| Roman numberals | MCMXLIII | MCMLXVI |
| Base 2 | 111100101112 | 111101011102 |
| Base 3 | 21222223 | 22002113 |
| Base 4 | 1321134 | 1322324 |
| Base 5 | 302335 | 303315 |
| Base 6 | 125556 | 130346 |
| Base 7 | 54447 | 55067 |
| Base 8 | 36278 | 36568 |
| Base 9 | 25889 | 26249 |
| Base 10 | 194310 | 196610 |
| Base 11 | 150711 | 152811 |
| Base 12 | 115b12 | 117a12 |
| Base 13 | b6613 | b8313 |
| Base 14 | 9cb14 | a0614 |
| Base 15 | 89815 | 8b115 |
| Base 16 | 79716 | 7ae16 |