Compare 142585 vs 142591
| Property | 142585 | 142591 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 285171 | 1425911 |
| Prime factorization | 5 × 28517 | 142591 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 28517, 142585 | 1, 142591 |
| Number of properties | 1 | 5 |
| Emirps | 2771st | |
| Lucky primes | 1727th | |
| Primes | 13233rd | |
| Semiprimes | 32746th | |
| Twin primes (2nd member) | 1630th | |
| Ulam primes | 931st | |
| Roman numberals | ||
| Base 2 | 1000101100111110012 | 1000101100111111112 |
| Base 3 | 210201202213 | 210201210113 |
| Base 4 | 2023033214 | 2023033334 |
| Base 5 | 140303205 | 140303315 |
| Base 6 | 30200416 | 30200516 |
| Base 7 | 11324627 | 11325017 |
| Base 8 | 4263718 | 4263778 |
| Base 9 | 2365279 | 2365349 |
| Base 10 | 14258510 | 14259110 |
| Base 11 | 9814311 | 9814911 |
| Base 12 | 6a62112 | 6a62712 |
| Base 13 | 4cb9113 | 4cb9713 |
| Base 14 | 39d6914 | 39d7114 |
| Base 15 | 2c3aa15 | 2c3b115 |
| Base 16 | 22cf916 | 22cff16 |