Compare 204521 vs 205721
| Property | 204521 | 205721 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2045211 | 2057211 |
| Prime factorization | 204521 | 205721 |
| Divisors count | 2 | 2 |
| Divisors | 1, 204521 | 1, 205721 |
| Number of properties | 6 | 7 |
| Additive primes | 7437th | |
| Chen primes | 7671st | 7710th |
| Cousin primes (2nd member) | 2175th | |
| Harmonic primes | 6915th | |
| Isolated primes | 13948th | 14028th |
| Primes | 18347th | 18445th |
| Pythagorean primes | 9166th | 9211th |
| Sophie germain primes | 2094th | 2102nd |
| Roman numberals | ||
| Base 2 | 1100011110111010012 | 1100100011100110012 |
| Base 3 | 1011011122123 | 1011100120223 |
| Base 4 | 3013232214 | 3020321214 |
| Base 5 | 230210415 | 230403415 |
| Base 6 | 42145056 | 42242256 |
| Base 7 | 15111627 | 15145257 |
| Base 8 | 6173518 | 6216318 |
| Base 9 | 3414859 | 3431689 |
| Base 10 | 20452110 | 20572110 |
| Base 11 | 12a72911 | 13061a11 |
| Base 12 | 9a43512 | 9b07512 |
| Base 13 | 7212513 | 7283913 |
| Base 14 | 5476914 | 54d8514 |
| Base 15 | 408eb15 | 40e4b15 |
| Base 16 | 31ee916 | 3239916 |