Compare 21937 vs 21942
| Property | 21937 | 21942 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 5 |
| Prime factorization | 219371 | 21 × 32 × 231 × 531 |
| Prime factorization | 21937 | 2 × 3 × 3 × 23 × 53 |
| Divisors count | 2 | 24 |
| Divisors | 1, 21937 | 1, 2, 3, 6, 9, 18, 23, 46, 53, 69, 106, 138, 159, 207, 318, 414, 477, 954, 1219, 2438, 3657, 7314, 10971, 21942 |
| Number of properties | 6 | 0 |
| Isolated primes | 1716th | |
| Long primes | 930th | |
| Primes | 2459th | |
| Pythagorean primes | 1220th | |
| Sexy primes (1st member) | 741st | |
| Super primes | 364th | |
| Roman numberals | ||
| Base 2 | 1010101101100012 | 1010101101101102 |
| Base 3 | 10100021113 | 10100022003 |
| Base 4 | 111123014 | 111123124 |
| Base 5 | 12002225 | 12002325 |
| Base 6 | 2453216 | 2453306 |
| Base 7 | 1206467 | 1206547 |
| Base 8 | 526618 | 526668 |
| Base 9 | 330749 | 330809 |
| Base 10 | 2193710 | 2194210 |
| Base 11 | 1553311 | 1553811 |
| Base 12 | 1084112 | 1084612 |
| Base 13 | 9ca613 | 9cab13 |
| Base 14 | 7dcd14 | 7dd414 |
| Base 15 | 677715 | 677c15 |
| Base 16 | 55b116 | 55b616 |