Compare 21012 vs 21018
| Property | 21012 | 21018 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 4 |
| Total factors | 5 | 4 |
| Prime factorization | 22 × 31 × 171 × 1031 | 21 × 31 × 311 × 1131 |
| Prime factorization | 2 × 2 × 3 × 17 × 103 | 2 × 3 × 31 × 113 |
| Divisors count | 24 | 16 |
| Divisors | 1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 103, 204, 206, 309, 412, 618, 1236, 1751, 3502, 5253, 7004, 10506, 21012 | 1, 2, 3, 6, 31, 62, 93, 113, 186, 226, 339, 678, 3503, 7006, 10509, 21018 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010010000101002 | 1010010000110102 |
| Base 3 | 10012110203 | 10012111103 |
| Base 4 | 110201104 | 110201224 |
| Base 5 | 11330225 | 11330335 |
| Base 6 | 2411406 | 2411506 |
| Base 7 | 1151557 | 1151647 |
| Base 8 | 510248 | 510328 |
| Base 9 | 317369 | 317439 |
| Base 10 | 2101210 | 2101810 |
| Base 11 | 1487211 | 1487811 |
| Base 12 | 101b012 | 101b612 |
| Base 13 | 974413 | 974a13 |
| Base 14 | 792c14 | 793414 |
| Base 15 | 635c15 | 636315 |
| Base 16 | 521416 | 521a16 |