Compare 204509 vs 205991
| Property | 204509 | 205991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2045091 | 2059911 |
| Prime factorization | 204509 | 205991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 204509 | 1, 205991 |
| Number of properties | 5 | 5 |
| Chen primes | 7669th | 7717th |
| Happy primes | 2810th | |
| Long primes | 6875th | |
| Primes | 18344th | 18463rd |
| Pythagorean primes | 9164th | |
| Twin primes (1st member) | 2200th | 2211th |
| Ulam primes | 1331st | |
| Roman numberals | ||
| Base 2 | 1100011110110111012 | 1100100100101001112 |
| Base 3 | 1011011121023 | 1011101200223 |
| Base 4 | 3013231314 | 3021022134 |
| Base 5 | 230210145 | 230424315 |
| Base 6 | 42144456 | 42253556 |
| Base 7 | 15111447 | 15153627 |
| Base 8 | 6173358 | 6222478 |
| Base 9 | 3414729 | 3435089 |
| Base 10 | 20450910 | 20599110 |
| Base 11 | 12a71811 | 13084511 |
| Base 12 | 9a42512 | 9b25b12 |
| Base 13 | 7211613 | 729b613 |
| Base 14 | 5475b14 | 550d914 |
| Base 15 | 408de15 | 4107b15 |
| Base 16 | 31edd16 | 324a716 |