Compare 1939 vs 1966
| Property | 1939 | 1966 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 2771 | 21 × 9831 |
| Prime factorization | 7 × 277 | 2 × 983 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 277, 1939 | 1, 2, 983, 1966 |
| Number of properties | 1 | 1 |
| Semiprimes | 558th | 568th |
| Roman numberals | MCMXXXIX | MCMLXVI |
| Base 2 | 111100100112 | 111101011102 |
| Base 3 | 21222113 | 22002113 |
| Base 4 | 1321034 | 1322324 |
| Base 5 | 302245 | 303315 |
| Base 6 | 125516 | 130346 |
| Base 7 | 54407 | 55067 |
| Base 8 | 36238 | 36568 |
| Base 9 | 25849 | 26249 |
| Base 10 | 193910 | 196610 |
| Base 11 | 150311 | 152811 |
| Base 12 | 115712 | 117a12 |
| Base 13 | b6213 | b8313 |
| Base 14 | 9c714 | a0614 |
| Base 15 | 89415 | 8b115 |
| Base 16 | 79316 | 7ae16 |