Compare 1220 vs 1228
| Property | 1220 | 1228 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 4 | 3 |
| Prime factorization | 22 × 51 × 611 | 22 × 3071 |
| Prime factorization | 2 × 2 × 5 × 61 | 2 × 2 × 307 |
| Divisors count | 12 | 6 |
| Divisors | 1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220 | 1, 2, 4, 307, 614, 1228 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCXX | MCCXXVIII |
| Base 2 | 100110001002 | 100110011002 |
| Base 3 | 12000123 | 12001113 |
| Base 4 | 1030104 | 1030304 |
| Base 5 | 143405 | 144035 |
| Base 6 | 53526 | 54046 |
| Base 7 | 33627 | 34037 |
| Base 8 | 23048 | 23148 |
| Base 9 | 16059 | 16149 |
| Base 10 | 122010 | 122810 |
| Base 11 | a0a11 | a1711 |
| Base 12 | 85812 | 86412 |
| Base 13 | 72b13 | 73613 |
| Base 14 | 63214 | 63a14 |
| Base 15 | 56515 | 56d15 |
| Base 16 | 4c416 | 4cc16 |