Compare 201809 vs 202031
| Property | 201809 | 202031 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2018091 | 2020311 |
| Prime factorization | 201809 | 202031 |
| Divisors count | 2 | 2 |
| Divisors | 1, 201809 | 1, 202031 |
| Number of properties | 5 | 4 |
| Chen primes | 7580th | 7587th |
| Harmonic primes | 6807th | 6811th |
| Isolated primes | 13787th | 13806th |
| Primes | 18128th | 18151st |
| Pythagorean primes | 9049th | |
| Roman numberals | ||
| Base 2 | 1100010100010100012 | 1100010101001011112 |
| Base 3 | 1010202111023 | 1010210101223 |
| Base 4 | 3011011014 | 3011102334 |
| Base 5 | 224242145 | 224311115 |
| Base 6 | 41541456 | 41551556 |
| Base 7 | 15002367 | 15010047 |
| Base 8 | 6121218 | 6124578 |
| Base 9 | 3367429 | 3371189 |
| Base 10 | 20180910 | 20203110 |
| Base 11 | 12869311 | 12887511 |
| Base 12 | 9895512 | 98abb12 |
| Base 13 | 70b1a13 | 70c5b13 |
| Base 14 | 5378d14 | 538ab14 |
| Base 15 | 3ebde15 | 3ecdb15 |
| Base 16 | 3145116 | 3152f16 |