Compare 21081 vs 21091
| Property | 21081 | 21091 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 70271 | 71 × 231 × 1311 |
| Prime factorization | 3 × 7027 | 7 × 23 × 131 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 7027, 21081 | 1, 7, 23, 131, 161, 917, 3013, 21091 |
| Number of properties | 1 | 0 |
| Semiprimes | 5348th | |
| Roman numberals | ||
| Base 2 | 1010010010110012 | 1010010011000112 |
| Base 3 | 10012202103 | 10012210113 |
| Base 4 | 110211214 | 110212034 |
| Base 5 | 11333115 | 11333315 |
| Base 6 | 2413336 | 2413516 |
| Base 7 | 1153147 | 1153307 |
| Base 8 | 511318 | 511438 |
| Base 9 | 318239 | 318349 |
| Base 10 | 2108110 | 2109110 |
| Base 11 | 1492511 | 1493411 |
| Base 12 | 1024912 | 1025712 |
| Base 13 | 979813 | 97a513 |
| Base 14 | 797b14 | 798714 |
| Base 15 | 63a615 | 63b115 |
| Base 16 | 525916 | 526316 |