Compare 1028807 vs 1028809
| Property | 1028807 | 1028809 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 131 × 791391 | 10288091 |
| Prime factorization | 13 × 79139 | 1028809 |
| Divisors count | 4 | 2 |
| Divisors | 1, 13, 79139, 1028807 | 1, 1028809 |
| Number of properties | 1 | 3 |
| Isolated primes | 63838th | |
| Primes | 80615th | |
| Semiprimes | 215749th | |
| Sexy primes (2nd member) | 16801st | |
| Roman numberals | ||
| Base 2 | 111110110010110001112 | 111110110010110010012 |
| Base 3 | 12210210202223 | 12210210210013 |
| Base 4 | 33230230134 | 33230230214 |
| Base 5 | 2304102125 | 2304102145 |
| Base 6 | 340145556 | 340150016 |
| Base 7 | 115133037 | 115133057 |
| Base 8 | 37313078 | 37313118 |
| Base 9 | 18372289 | 18372319 |
| Base 10 | 102880710 | 102880910 |
| Base 11 | 642a5a11 | 642a6111 |
| Base 12 | 41745b12 | 41746112 |
| Base 13 | 2a038013 | 2a038213 |
| Base 14 | 1cad0314 | 1cad0514 |
| Base 15 | 154c7215 | 154c7415 |
| Base 16 | fb2c716 | fb2c916 |