Compare 1420 vs 1428
| Property | 1420 | 1428 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 4 | 5 |
| Prime factorization | 22 × 51 × 711 | 22 × 31 × 71 × 171 |
| Prime factorization | 2 × 2 × 5 × 71 | 2 × 2 × 3 × 7 × 17 |
| Divisors count | 12 | 24 |
| Divisors | 1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420 | 1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428 |
| Number of properties | 0 | 0 |
| Roman numberals | MCDXX | MCDXXVIII |
| Base 2 | 101100011002 | 101100101002 |
| Base 3 | 12211213 | 12212203 |
| Base 4 | 1120304 | 1121104 |
| Base 5 | 211405 | 212035 |
| Base 6 | 103246 | 103406 |
| Base 7 | 40667 | 41107 |
| Base 8 | 26148 | 26248 |
| Base 9 | 18479 | 18569 |
| Base 10 | 142010 | 142810 |
| Base 11 | 108111 | 108911 |
| Base 12 | 9a412 | 9b012 |
| Base 13 | 85313 | 85b13 |
| Base 14 | 73614 | 74014 |
| Base 15 | 64a15 | 65315 |
| Base 16 | 58c16 | 59416 |