Compare 28807 vs 28811
| Property | 28807 | 28811 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 288071 | 471 × 6131 |
| Prime factorization | 28807 | 47 × 613 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28807 | 1, 47, 613, 28811 |
| Number of properties | 4 | 1 |
| Isolated primes | 2222nd | |
| Primes | 3137th | |
| Semiprimes | 7165th | |
| Sexy primes (1st member) | 923rd | |
| Super primes | 446th | |
| Roman numberals | ||
| Base 2 | 1110000100001112 | 1110000100010112 |
| Base 3 | 11101112213 | 11101120023 |
| Base 4 | 130020134 | 130020234 |
| Base 5 | 14102125 | 14102215 |
| Base 6 | 3412116 | 3412156 |
| Base 7 | 1466627 | 1466667 |
| Base 8 | 702078 | 702138 |
| Base 9 | 434579 | 434629 |
| Base 10 | 2880710 | 2881110 |
| Base 11 | 1a70911 | 1a71211 |
| Base 12 | 1480712 | 1480b12 |
| Base 13 | 1015c13 | 1016313 |
| Base 14 | a6d914 | a6dd14 |
| Base 15 | 880715 | 880b15 |
| Base 16 | 708716 | 708b16 |