Compare 21087 vs 21089
| Property | 21087 | 21089 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 33 × 111 × 711 | 210891 |
| Prime factorization | 3 × 3 × 3 × 11 × 71 | 21089 |
| Divisors count | 16 | 2 |
| Divisors | 1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1917, 2343, 7029, 21087 | 1, 21089 |
| Number of properties | 0 | 5 |
| Isolated primes | 1652nd | |
| Primes | 2371st | |
| Pythagorean primes | 1177th | |
| Sophie germain primes | 343rd | |
| Super primes | 351st | |
| Roman numberals | ||
| Base 2 | 1010010010111112 | 1010010011000012 |
| Base 3 | 10012210003 | 10012210023 |
| Base 4 | 110211334 | 110212014 |
| Base 5 | 11333225 | 11333245 |
| Base 6 | 2413436 | 2413456 |
| Base 7 | 1153237 | 1153257 |
| Base 8 | 511378 | 511418 |
| Base 9 | 318309 | 318329 |
| Base 10 | 2108710 | 2108910 |
| Base 11 | 1493011 | 1493211 |
| Base 12 | 1025312 | 1025512 |
| Base 13 | 97a113 | 97a313 |
| Base 14 | 798314 | 798514 |
| Base 15 | 63ac15 | 63ae15 |
| Base 16 | 525f16 | 526116 |