Compare 21942 vs 21947
| Property | 21942 | 21947 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 21 × 32 × 231 × 531 | 171 × 12911 |
| Prime factorization | 2 × 3 × 3 × 23 × 53 | 17 × 1291 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 23, 46, 53, 69, 106, 138, 159, 207, 318, 414, 477, 954, 1219, 2438, 3657, 7314, 10971, 21942 | 1, 17, 1291, 21947 |
| Number of properties | 0 | 1 |
| Semiprimes | 5539th | |
| Roman numberals | ||
| Base 2 | 1010101101101102 | 1010101101110112 |
| Base 3 | 10100022003 | 10100022123 |
| Base 4 | 111123124 | 111123234 |
| Base 5 | 12002325 | 12002425 |
| Base 6 | 2453306 | 2453356 |
| Base 7 | 1206547 | 1206627 |
| Base 8 | 526668 | 526738 |
| Base 9 | 330809 | 330859 |
| Base 10 | 2194210 | 2194710 |
| Base 11 | 1553811 | 1554211 |
| Base 12 | 1084612 | 1084b12 |
| Base 13 | 9cab13 | 9cb313 |
| Base 14 | 7dd414 | 7dd914 |
| Base 15 | 677c15 | 678215 |
| Base 16 | 55b616 | 55bb16 |