Compare 221220 vs 221221
| Property | 221220 | 221221 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 4 |
| Total factors | 6 | 5 |
| Prime factorization | 22 × 32 × 51 × 12291 | 71 × 111 × 132 × 171 |
| Prime factorization | 2 × 2 × 3 × 3 × 5 × 1229 | 7 × 11 × 13 × 13 × 17 |
| Divisors count | 36 | 24 |
| Divisors | 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1229, 2458, 3687, 4916, 6145, 7374, 11061, 12290, 14748, 18435, 22122, 24580, 36870, 44244, 55305, 73740, 110610, 221220 | 1, 7, 11, 13, 17, 77, 91, 119, 143, 169, 187, 221, 1001, 1183, 1309, 1547, 1859, 2431, 2873, 13013, 17017, 20111, 31603, 221221 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1101100000001001002 | 1101100000001001012 |
| Base 3 | 1020201101003 | 1020201101013 |
| Base 4 | 3120002104 | 3120002114 |
| Base 5 | 240343405 | 240343415 |
| Base 6 | 44241006 | 44241016 |
| Base 7 | 16106467 | 16106507 |
| Base 8 | 6600448 | 6600458 |
| Base 9 | 3664109 | 3664119 |
| Base 10 | 22122010 | 22122110 |
| Base 11 | 14122a11 | 14123011 |
| Base 12 | a803012 | a803112 |
| Base 13 | 798cc13 | 7990013 |
| Base 14 | 5a89614 | 5a89714 |
| Base 15 | 4583015 | 4583115 |
| Base 16 | 3602416 | 3602516 |