Compare 21438 vs 21450
| Property | 21438 | 21450 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 5 |
| Total factors | 5 | 6 |
| Prime factorization | 21 × 33 × 3971 | 21 × 31 × 52 × 111 × 131 |
| Prime factorization | 2 × 3 × 3 × 3 × 397 | 2 × 3 × 5 × 5 × 11 × 13 |
| Divisors count | 16 | 48 |
| Divisors | 1, 2, 3, 6, 9, 18, 27, 54, 397, 794, 1191, 2382, 3573, 7146, 10719, 21438 | 1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 75, 78, 110, 130, 143, 150, 165, 195, 275, 286, 325, 330, 390, 429, 550, 650, 715, 825, 858, 975, 1430, 1650, 1950, 2145, 3575, 4290, 7150, 10725, 21450 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010011101111102 | 1010011110010102 |
| Base 3 | 10021020003 | 10021021103 |
| Base 4 | 110323324 | 110330224 |
| Base 5 | 11412235 | 11413005 |
| Base 6 | 2431306 | 2431506 |
| Base 7 | 1163347 | 1163527 |
| Base 8 | 516768 | 517128 |
| Base 9 | 323609 | 323739 |
| Base 10 | 2143810 | 2145010 |
| Base 11 | 1511a11 | 1513011 |
| Base 12 | 104a612 | 104b612 |
| Base 13 | 99b113 | 99c013 |
| Base 14 | 7b5414 | 7b6214 |
| Base 15 | 654315 | 655015 |
| Base 16 | 53be16 | 53ca16 |