Compare 21921 vs 21947
| Property | 21921 | 21947 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 73071 | 171 × 12911 |
| Prime factorization | 3 × 7307 | 17 × 1291 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 7307, 21921 | 1, 17, 1291, 21947 |
| Number of properties | 1 | 1 |
| Semiprimes | 5534th | 5539th |
| Roman numberals | ||
| Base 2 | 1010101101000012 | 1010101101110112 |
| Base 3 | 10100012203 | 10100022123 |
| Base 4 | 111122014 | 111123234 |
| Base 5 | 12001415 | 12002425 |
| Base 6 | 2452536 | 2453356 |
| Base 7 | 1206247 | 1206627 |
| Base 8 | 526418 | 526738 |
| Base 9 | 330569 | 330859 |
| Base 10 | 2192110 | 2194710 |
| Base 11 | 1551911 | 1554211 |
| Base 12 | 1082912 | 1084b12 |
| Base 13 | 9c9313 | 9cb313 |
| Base 14 | 7dbb14 | 7dd914 |
| Base 15 | 676615 | 678215 |
| Base 16 | 55a116 | 55bb16 |