Compare 21081 vs 21089
| Property | 21081 | 21089 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 70271 | 210891 |
| Prime factorization | 3 × 7027 | 21089 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 7027, 21081 | 1, 21089 |
| Number of properties | 1 | 5 |
| Isolated primes | 1652nd | |
| Primes | 2371st | |
| Pythagorean primes | 1177th | |
| Semiprimes | 5348th | |
| Sophie germain primes | 343rd | |
| Super primes | 351st | |
| Roman numberals | ||
| Base 2 | 1010010010110012 | 1010010011000012 |
| Base 3 | 10012202103 | 10012210023 |
| Base 4 | 110211214 | 110212014 |
| Base 5 | 11333115 | 11333245 |
| Base 6 | 2413336 | 2413456 |
| Base 7 | 1153147 | 1153257 |
| Base 8 | 511318 | 511418 |
| Base 9 | 318239 | 318329 |
| Base 10 | 2108110 | 2108910 |
| Base 11 | 1492511 | 1493211 |
| Base 12 | 1024912 | 1025512 |
| Base 13 | 979813 | 97a313 |
| Base 14 | 797b14 | 798514 |
| Base 15 | 63a615 | 63ae15 |
| Base 16 | 525916 | 526116 |