Compare 221221 vs 221223
| Property | 221221 | 221223 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 5 | 3 |
| Prime factorization | 71 × 111 × 132 × 171 | 31 × 371 × 19931 |
| Prime factorization | 7 × 11 × 13 × 13 × 17 | 3 × 37 × 1993 |
| 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, 3, 37, 111, 1993, 5979, 73741, 221223 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1101100000001001012 | 1101100000001001112 |
| Base 3 | 1020201101013 | 1020201101103 |
| Base 4 | 3120002114 | 3120002134 |
| Base 5 | 240343415 | 240343435 |
| Base 6 | 44241016 | 44241036 |
| Base 7 | 16106507 | 16106527 |
| Base 8 | 6600458 | 6600478 |
| Base 9 | 3664119 | 3664139 |
| Base 10 | 22122110 | 22122310 |
| Base 11 | 14123011 | 14123211 |
| Base 12 | a803112 | a803312 |
| Base 13 | 7990013 | 7990213 |
| Base 14 | 5a89714 | 5a89914 |
| Base 15 | 4583115 | 4583315 |
| Base 16 | 3602516 | 3602716 |