Compare 21849 vs 21851
| Property | 21849 | 21851 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 72831 | 218511 |
| Prime factorization | 3 × 7283 | 21851 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 7283, 21849 | 1, 21851 |
| Number of properties | 1 | 4 |
| Additive primes | 1134th | |
| Isolated primes | 1708th | |
| Long primes | 927th | |
| Primes | 2451st | |
| Semiprimes | 5518th | |
| Roman numberals | ||
| Base 2 | 1010101010110012 | 1010101010110112 |
| Base 3 | 10022220203 | 10022220223 |
| Base 4 | 111111214 | 111111234 |
| Base 5 | 11443445 | 11444015 |
| Base 6 | 2450536 | 2450556 |
| Base 7 | 1204627 | 1204647 |
| Base 8 | 525318 | 525338 |
| Base 9 | 328669 | 328689 |
| Base 10 | 2184910 | 2185110 |
| Base 11 | 1546311 | 1546511 |
| Base 12 | 1078912 | 1078b12 |
| Base 13 | 9c3913 | 9c3b13 |
| Base 14 | 7d6914 | 7d6b14 |
| Base 15 | 671915 | 671b15 |
| Base 16 | 555916 | 555b16 |