Compare 511139 vs 511151
| Property | 511139 | 511151 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 171 × 1071 × 2811 | 5111511 |
| Prime factorization | 17 × 107 × 281 | 511151 |
| Divisors count | 8 | 2 |
| Divisors | 1, 17, 107, 281, 1819, 4777, 30067, 511139 | 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 | 11111001100101000112 | 11111001100101011112 |
| Base 3 | 2212220110023 | 2212220111123 |
| Base 4 | 13303022034 | 13303022334 |
| Base 5 | 1123240245 | 1123241015 |
| Base 6 | 145422156 | 145422356 |
| Base 7 | 42261267 | 42261447 |
| Base 8 | 17462438 | 17462578 |
| Base 9 | 8581329 | 8581459 |
| Base 10 | 51113910 | 51115110 |
| Base 11 | 31a03211 | 31a04311 |
| Base 12 | 20796b12 | 20797b12 |
| Base 13 | 14b86513 | 14b87413 |
| Base 14 | d43bd14 | d43cb14 |
| Base 15 | a16ae15 | a16bb15 |
| Base 16 | 7cca316 | 7ccaf16 |