Compare 1928 vs 1939
| Property | 1928 | 1939 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 23 × 2411 | 71 × 2771 |
| Prime factorization | 2 × 2 × 2 × 241 | 7 × 277 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 4, 8, 241, 482, 964, 1928 | 1, 7, 277, 1939 |
| Number of properties | 0 | 1 |
| Semiprimes | 558th | |
| Roman numberals | MCMXXVIII | MCMXXXIX |
| Base 2 | 111100010002 | 111100100112 |
| Base 3 | 21221023 | 21222113 |
| Base 4 | 1320204 | 1321034 |
| Base 5 | 302035 | 302245 |
| Base 6 | 125326 | 125516 |
| Base 7 | 54237 | 54407 |
| Base 8 | 36108 | 36238 |
| Base 9 | 25729 | 25849 |
| Base 10 | 192810 | 193910 |
| Base 11 | 14a311 | 150311 |
| Base 12 | 114812 | 115712 |
| Base 13 | b5413 | b6213 |
| Base 14 | 9ba14 | 9c714 |
| Base 15 | 88815 | 89415 |
| Base 16 | 78816 | 79316 |