Compare 21898 vs 21906
| Property | 21898 | 21906 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 109491 | 21 × 32 × 12171 |
| Prime factorization | 2 × 10949 | 2 × 3 × 3 × 1217 |
| Divisors count | 4 | 12 |
| Divisors | 1, 2, 10949, 21898 | 1, 2, 3, 6, 9, 18, 1217, 2434, 3651, 7302, 10953, 21906 |
| Number of properties | 1 | 0 |
| Semiprimes | 5528th | |
| Roman numberals | ||
| Base 2 | 1010101100010102 | 1010101100100102 |
| Base 3 | 10100010013 | 10100011003 |
| Base 4 | 111120224 | 111121024 |
| Base 5 | 12000435 | 12001115 |
| Base 6 | 2452146 | 2452306 |
| Base 7 | 1205627 | 1206037 |
| Base 8 | 526128 | 526228 |
| Base 9 | 330319 | 330409 |
| Base 10 | 2189810 | 2190610 |
| Base 11 | 154a811 | 1550511 |
| Base 12 | 1080a12 | 1081612 |
| Base 13 | 9c7613 | 9c8113 |
| Base 14 | 7da214 | 7daa14 |
| Base 15 | 674d15 | 675615 |
| Base 16 | 558a16 | 559216 |