Compare 221221 vs 221230
| Property | 221221 | 221230 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 5 | 3 |
| Prime factorization | 71 × 111 × 132 × 171 | 21 × 51 × 221231 |
| Prime factorization | 7 × 11 × 13 × 13 × 17 | 2 × 5 × 22123 |
| Divisors count | 24 | 8 |
| Divisors | 1, 7, 11, 13, 17, 77, 91, 119, 143, 169, 187, 221, 1001, 1183, 1309, 1547, 1859, 2431, 2873, 13013, 17017, 20111, 31603, 221221 | 1, 2, 5, 10, 22123, 44246, 110615, 221230 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1101100000001001012 | 1101100000001011102 |
| Base 3 | 1020201101013 | 1020201102013 |
| Base 4 | 3120002114 | 3120002324 |
| Base 5 | 240343415 | 240344105 |
| Base 6 | 44241016 | 44241146 |
| Base 7 | 16106507 | 16106627 |
| Base 8 | 6600458 | 6600568 |
| Base 9 | 3664119 | 3664219 |
| Base 10 | 22122110 | 22123010 |
| Base 11 | 14123011 | 14123911 |
| Base 12 | a803112 | a803a12 |
| Base 13 | 7990013 | 7990913 |
| Base 14 | 5a89714 | 5a8a214 |
| Base 15 | 4583115 | 4583a15 |
| Base 16 | 3602516 | 3602e16 |