Compare 1928 vs 1940
| Property | 1928 | 1940 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 4 | 4 |
| Prime factorization | 23 × 2411 | 22 × 51 × 971 |
| Prime factorization | 2 × 2 × 2 × 241 | 2 × 2 × 5 × 97 |
| Divisors count | 8 | 12 |
| Divisors | 1, 2, 4, 8, 241, 482, 964, 1928 | 1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940 |
| Number of properties | 0 | 0 |
| Roman numberals | MCMXXVIII | MCMXL |
| Base 2 | 111100010002 | 111100101002 |
| Base 3 | 21221023 | 21222123 |
| Base 4 | 1320204 | 1321104 |
| Base 5 | 302035 | 302305 |
| Base 6 | 125326 | 125526 |
| Base 7 | 54237 | 54417 |
| Base 8 | 36108 | 36248 |
| Base 9 | 25729 | 25859 |
| Base 10 | 192810 | 194010 |
| Base 11 | 14a311 | 150411 |
| Base 12 | 114812 | 115812 |
| Base 13 | b5413 | b6313 |
| Base 14 | 9ba14 | 9c814 |
| Base 15 | 88815 | 89515 |
| Base 16 | 78816 | 79416 |