Compare 21018 vs 21022
| Property | 21018 | 21022 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 21 × 31 × 311 × 1131 | 21 × 231 × 4571 |
| Prime factorization | 2 × 3 × 31 × 113 | 2 × 23 × 457 |
| Divisors count | 16 | 8 |
| Divisors | 1, 2, 3, 6, 31, 62, 93, 113, 186, 226, 339, 678, 3503, 7006, 10509, 21018 | 1, 2, 23, 46, 457, 914, 10511, 21022 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010010000110102 | 1010010000111102 |
| Base 3 | 10012111103 | 10012111213 |
| Base 4 | 110201224 | 110201324 |
| Base 5 | 11330335 | 11330425 |
| Base 6 | 2411506 | 2411546 |
| Base 7 | 1151647 | 1152017 |
| Base 8 | 510328 | 510368 |
| Base 9 | 317439 | 317479 |
| Base 10 | 2101810 | 2102210 |
| Base 11 | 1487811 | 1488111 |
| Base 12 | 101b612 | 101ba12 |
| Base 13 | 974a13 | 975113 |
| Base 14 | 793414 | 793814 |
| Base 15 | 636315 | 636715 |
| Base 16 | 521a16 | 521e16 |