Compare 511143 vs 511151
| Property | 511143 | 511151 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 671 × 25431 | 5111511 |
| Prime factorization | 3 × 67 × 2543 | 511151 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 67, 201, 2543, 7629, 170381, 511143 | 1, 511151 |
| Number of properties | 0 | 4 |
| Chen primes | 16810th | |
| Primes | 42375th | |
| Sophie germain primes | 4401st | |
| Twin primes (1st member) | 4644th | |
| Roman numberals | ||
| Base 2 | 11111001100101001112 | 11111001100101011112 |
| Base 3 | 2212220110203 | 2212220111123 |
| Base 4 | 13303022134 | 13303022334 |
| Base 5 | 1123240335 | 1123241015 |
| Base 6 | 145422236 | 145422356 |
| Base 7 | 42261337 | 42261447 |
| Base 8 | 17462478 | 17462578 |
| Base 9 | 8581369 | 8581459 |
| Base 10 | 51114310 | 51115110 |
| Base 11 | 31a03611 | 31a04311 |
| Base 12 | 20797312 | 20797b12 |
| Base 13 | 14b86913 | 14b87413 |
| Base 14 | d43c314 | d43cb14 |
| Base 15 | a16b315 | a16bb15 |
| Base 16 | 7cca716 | 7ccaf16 |