Compare 21828 vs 21829
| Property | 21828 | 21829 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 31 × 171 × 1071 | 831 × 2631 |
| Prime factorization | 2 × 2 × 3 × 17 × 107 | 83 × 263 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 107, 204, 214, 321, 428, 642, 1284, 1819, 3638, 5457, 7276, 10914, 21828 | 1, 83, 263, 21829 |
| Number of properties | 0 | 1 |
| Semiprimes | 5515th | |
| Roman numberals | ||
| Base 2 | 1010101010001002 | 1010101010001012 |
| Base 3 | 10022211103 | 10022211113 |
| Base 4 | 111110104 | 111110114 |
| Base 5 | 11443035 | 11443045 |
| Base 6 | 2450206 | 2450216 |
| Base 7 | 1204327 | 1204337 |
| Base 8 | 525048 | 525058 |
| Base 9 | 328439 | 328449 |
| Base 10 | 2182810 | 2182910 |
| Base 11 | 1544411 | 1544511 |
| Base 12 | 1077012 | 1077112 |
| Base 13 | 9c2113 | 9c2213 |
| Base 14 | 7d5214 | 7d5314 |
| Base 15 | 670315 | 670415 |
| Base 16 | 554416 | 554516 |