Compare 1028809 vs 1028821
| Property | 1028809 | 1028821 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 10288091 | 1571 × 65531 |
| Prime factorization | 1028809 | 157 × 6553 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1028809 | 1, 157, 6553, 1028821 |
| Number of properties | 3 | 1 |
| Isolated primes | 63838th | |
| Primes | 80615th | |
| Semiprimes | 215752nd | |
| Sexy primes (2nd member) | 16801st | |
| Roman numberals | ||
| Base 2 | 111110110010110010012 | 111110110010110101012 |
| Base 3 | 12210210210013 | 12210210211113 |
| Base 4 | 33230230214 | 33230231114 |
| Base 5 | 2304102145 | 2304102415 |
| Base 6 | 340150016 | 340150216 |
| Base 7 | 115133057 | 115133237 |
| Base 8 | 37313118 | 37313258 |
| Base 9 | 18372319 | 18372449 |
| Base 10 | 102880910 | 102882110 |
| Base 11 | 642a6111 | 642a7211 |
| Base 12 | 41746112 | 41747112 |
| Base 13 | 2a038213 | 2a039113 |
| Base 14 | 1cad0514 | 1cad1314 |
| Base 15 | 154c7415 | 154c8115 |
| Base 16 | fb2c916 | fb2d516 |