Compare 28905 vs 28915
| Property | 28905 | 28915 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 31 × 51 × 411 × 471 | 51 × 57831 |
| Prime factorization | 3 × 5 × 41 × 47 | 5 × 5783 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 5, 15, 41, 47, 123, 141, 205, 235, 615, 705, 1927, 5781, 9635, 28905 | 1, 5, 5783, 28915 |
| Number of properties | 0 | 1 |
| Semiprimes | 7192nd | |
| Roman numberals | ||
| Base 2 | 1110000111010012 | 1110000111100112 |
| Base 3 | 11101221203 | 11101222213 |
| Base 4 | 130032214 | 130033034 |
| Base 5 | 14111105 | 14111305 |
| Base 6 | 3414536 | 3415116 |
| Base 7 | 1501627 | 1502057 |
| Base 8 | 703518 | 703638 |
| Base 9 | 435769 | 435879 |
| Base 10 | 2890510 | 2891510 |
| Base 11 | 1a79811 | 1a7a711 |
| Base 12 | 1488912 | 1489712 |
| Base 13 | 1020613 | 1021313 |
| Base 14 | a76914 | a77514 |
| Base 15 | 887015 | 887a15 |
| Base 16 | 70e916 | 70f316 |