Compare 21940 vs 21947
| Property | 21940 | 21947 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 10971 | 171 × 12911 |
| Prime factorization | 2 × 2 × 5 × 1097 | 17 × 1291 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 1097, 2194, 4388, 5485, 10970, 21940 | 1, 17, 1291, 21947 |
| Number of properties | 0 | 1 |
| Semiprimes | 5539th | |
| Roman numberals | ||
| Base 2 | 1010101101101002 | 1010101101110112 |
| Base 3 | 10100021213 | 10100022123 |
| Base 4 | 111123104 | 111123234 |
| Base 5 | 12002305 | 12002425 |
| Base 6 | 2453246 | 2453356 |
| Base 7 | 1206527 | 1206627 |
| Base 8 | 526648 | 526738 |
| Base 9 | 330779 | 330859 |
| Base 10 | 2194010 | 2194710 |
| Base 11 | 1553611 | 1554211 |
| Base 12 | 1084412 | 1084b12 |
| Base 13 | 9ca913 | 9cb313 |
| Base 14 | 7dd214 | 7dd914 |
| Base 15 | 677a15 | 678215 |
| Base 16 | 55b416 | 55bb16 |