Compare 195805 vs 195809
| Property | 195805 | 195809 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 391611 | 1958091 |
| Prime factorization | 5 × 39161 | 195809 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 39161, 195805 | 1, 195809 |
| Number of properties | 1 | 5 |
| Emirps | 4155th | |
| Isolated primes | 13400th | |
| Primes | 17641st | |
| Pythagorean primes | 8802nd | |
| Semiprimes | 44327th | |
| Sophie germain primes | 2023rd | |
| Roman numberals | ||
| Base 2 | 1011111100110111012 | 1011111100111000012 |
| Base 3 | 1002211210013 | 1002211210123 |
| Base 4 | 2333031314 | 2333032014 |
| Base 5 | 222312105 | 222312145 |
| Base 6 | 41103016 | 41103056 |
| Base 7 | 14436017 | 14436057 |
| Base 8 | 5763358 | 5763418 |
| Base 9 | 3275319 | 3275359 |
| Base 10 | 19580510 | 19580910 |
| Base 11 | 12412511 | 12412911 |
| Base 12 | 9539112 | 9539512 |
| Base 13 | 6b17c13 | 6b18313 |
| Base 14 | 5150114 | 5150514 |
| Base 15 | 3d03a15 | 3d03e15 |
| Base 16 | 2fcdd16 | 2fce116 |