Compare 21070 vs 21081
| Property | 21070 | 21081 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 21 × 51 × 72 × 431 | 31 × 70271 |
| Prime factorization | 2 × 5 × 7 × 7 × 43 | 3 × 7027 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 1505, 2107, 3010, 4214, 10535, 21070 | 1, 3, 7027, 21081 |
| Number of properties | 0 | 1 |
| Semiprimes | 5348th | |
| Roman numberals | ||
| Base 2 | 1010010010011102 | 1010010010110012 |
| Base 3 | 10012201013 | 10012202103 |
| Base 4 | 110210324 | 110211214 |
| Base 5 | 11332405 | 11333115 |
| Base 6 | 2413146 | 2413336 |
| Base 7 | 1153007 | 1153147 |
| Base 8 | 511168 | 511318 |
| Base 9 | 318119 | 318239 |
| Base 10 | 2107010 | 2108110 |
| Base 11 | 1491511 | 1492511 |
| Base 12 | 1023a12 | 1024912 |
| Base 13 | 978a13 | 979813 |
| Base 14 | 797014 | 797b14 |
| Base 15 | 639a15 | 63a615 |
| Base 16 | 524e16 | 525916 |