Compare 21089 vs 21091
| Property | 21089 | 21091 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 210891 | 71 × 231 × 1311 |
| Prime factorization | 21089 | 7 × 23 × 131 |
| Divisors count | 2 | 8 |
| Divisors | 1, 21089 | 1, 7, 23, 131, 161, 917, 3013, 21091 |
| Number of properties | 5 | 0 |
| Isolated primes | 1652nd | |
| Primes | 2371st | |
| Pythagorean primes | 1177th | |
| Sophie germain primes | 343rd | |
| Super primes | 351st | |
| Roman numberals | ||
| Base 2 | 1010010011000012 | 1010010011000112 |
| Base 3 | 10012210023 | 10012210113 |
| Base 4 | 110212014 | 110212034 |
| Base 5 | 11333245 | 11333315 |
| Base 6 | 2413456 | 2413516 |
| Base 7 | 1153257 | 1153307 |
| Base 8 | 511418 | 511438 |
| Base 9 | 318329 | 318349 |
| Base 10 | 2108910 | 2109110 |
| Base 11 | 1493211 | 1493411 |
| Base 12 | 1025512 | 1025712 |
| Base 13 | 97a313 | 97a513 |
| Base 14 | 798514 | 798714 |
| Base 15 | 63ae15 | 63b115 |
| Base 16 | 526116 | 526316 |