Compare 1943 vs 1957
| Property | 1943 | 1957 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 291 × 671 | 191 × 1031 |
| Prime factorization | 29 × 67 | 19 × 103 |
| Divisors count | 4 | 4 |
| Divisors | 1, 29, 67, 1943 | 1, 19, 103, 1957 |
| Number of properties | 1 | 1 |
| Semiprimes | 561st | 564th |
| Roman numberals | MCMXLIII | MCMLVII |
| Base 2 | 111100101112 | 111101001012 |
| Base 3 | 21222223 | 22001113 |
| Base 4 | 1321134 | 1322114 |
| Base 5 | 302335 | 303125 |
| Base 6 | 125556 | 130216 |
| Base 7 | 54447 | 54647 |
| Base 8 | 36278 | 36458 |
| Base 9 | 25889 | 26149 |
| Base 10 | 194310 | 195710 |
| Base 11 | 150711 | 151a11 |
| Base 12 | 115b12 | 117112 |
| Base 13 | b6613 | b7713 |
| Base 14 | 9cb14 | 9db14 |
| Base 15 | 89815 | 8a715 |
| Base 16 | 79716 | 7a516 |