Compare 28905 vs 28907
| Property | 28905 | 28907 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 31 × 51 × 411 × 471 | 1371 × 2111 |
| Prime factorization | 3 × 5 × 41 × 47 | 137 × 211 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 5, 15, 41, 47, 123, 141, 205, 235, 615, 705, 1927, 5781, 9635, 28905 | 1, 137, 211, 28907 |
| Number of properties | 0 | 1 |
| Semiprimes | 7190th | |
| Roman numberals | ||
| Base 2 | 1110000111010012 | 1110000111010112 |
| Base 3 | 11101221203 | 11101221223 |
| Base 4 | 130032214 | 130032234 |
| Base 5 | 14111105 | 14111125 |
| Base 6 | 3414536 | 3414556 |
| Base 7 | 1501627 | 1501647 |
| Base 8 | 703518 | 703538 |
| Base 9 | 435769 | 435789 |
| Base 10 | 2890510 | 2890710 |
| Base 11 | 1a79811 | 1a79a11 |
| Base 12 | 1488912 | 1488b12 |
| Base 13 | 1020613 | 1020813 |
| Base 14 | a76914 | a76b14 |
| Base 15 | 887015 | 887215 |
| Base 16 | 70e916 | 70eb16 |