Compare 21893 vs 21898
| Property | 21893 | 21898 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 218931 | 21 × 109491 |
| Prime factorization | 21893 | 2 × 10949 |
| Divisors count | 2 | 4 |
| Divisors | 1, 21893 | 1, 2, 10949, 21898 |
| Number of properties | 5 | 1 |
| Additive primes | 1136th | |
| Isolated primes | 1713th | |
| Primes | 2456th | |
| Pythagorean primes | 1218th | |
| Semiprimes | 5528th | |
| Sophie germain primes | 354th | |
| Roman numberals | ||
| Base 2 | 1010101100001012 | 1010101100010102 |
| Base 3 | 10100002123 | 10100010013 |
| Base 4 | 111120114 | 111120224 |
| Base 5 | 12000335 | 12000435 |
| Base 6 | 2452056 | 2452146 |
| Base 7 | 1205547 | 1205627 |
| Base 8 | 526058 | 526128 |
| Base 9 | 330259 | 330319 |
| Base 10 | 2189310 | 2189810 |
| Base 11 | 154a311 | 154a811 |
| Base 12 | 1080512 | 1080a12 |
| Base 13 | 9c7113 | 9c7613 |
| Base 14 | 7d9b14 | 7da214 |
| Base 15 | 674815 | 674d15 |
| Base 16 | 558516 | 558a16 |