Compare 28389 vs 28391
| Property | 28389 | 28391 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 94631 | 111 × 291 × 891 |
| Prime factorization | 3 × 9463 | 11 × 29 × 89 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 9463, 28389 | 1, 11, 29, 89, 319, 979, 2581, 28391 |
| Number of properties | 1 | 0 |
| Semiprimes | 7081st | |
| Roman numberals | ||
| Base 2 | 1101110111001012 | 1101110111001112 |
| Base 3 | 11022211103 | 11022211123 |
| Base 4 | 123232114 | 123232134 |
| Base 5 | 14020245 | 14020315 |
| Base 6 | 3352336 | 3352356 |
| Base 7 | 1455247 | 1455267 |
| Base 8 | 673458 | 673478 |
| Base 9 | 428439 | 428459 |
| Base 10 | 2838910 | 2839110 |
| Base 11 | 1a36911 | 1a37011 |
| Base 12 | 1451912 | 1451b12 |
| Base 13 | cbca13 | cbcc13 |
| Base 14 | a4bb14 | a4bd14 |
| Base 15 | 862915 | 862b15 |
| Base 16 | 6ee516 | 6ee716 |