Compare 1939 vs 1957
| Property | 1939 | 1957 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 2771 | 191 × 1031 |
| Prime factorization | 7 × 277 | 19 × 103 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 277, 1939 | 1, 19, 103, 1957 |
| Number of properties | 1 | 1 |
| Semiprimes | 558th | 564th |
| Roman numberals | MCMXXXIX | MCMLVII |
| Base 2 | 111100100112 | 111101001012 |
| Base 3 | 21222113 | 22001113 |
| Base 4 | 1321034 | 1322114 |
| Base 5 | 302245 | 303125 |
| Base 6 | 125516 | 130216 |
| Base 7 | 54407 | 54647 |
| Base 8 | 36238 | 36458 |
| Base 9 | 25849 | 26149 |
| Base 10 | 193910 | 195710 |
| Base 11 | 150311 | 151a11 |
| Base 12 | 115712 | 117112 |
| Base 13 | b6213 | b7713 |
| Base 14 | 9c714 | 9db14 |
| Base 15 | 89415 | 8a715 |
| Base 16 | 79316 | 7a516 |