Compare 511151 vs 511961
| Property | 511151 | 511961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5111511 | 5119611 |
| Prime factorization | 511151 | 511961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 511151 | 1, 511961 |
| Number of properties | 4 | 5 |
| Additive primes | 16681st | |
| Chen primes | 16810th | 16835th |
| Primes | 42375th | 42442nd |
| Sophie germain primes | 4401st | |
| Twin primes (1st member) | 4644th | 4648th |
| Ulam primes | 3119th | |
| Roman numberals | ||
| Base 2 | 11111001100101011112 | 11111001111110110012 |
| Base 3 | 2212220111123 | 2220000211123 |
| Base 4 | 13303022334 | 13303331214 |
| Base 5 | 1123241015 | 1123403215 |
| Base 6 | 145422356 | 145501056 |
| Base 7 | 42261447 | 42314127 |
| Base 8 | 17462578 | 17477318 |
| Base 9 | 8581459 | 8602459 |
| Base 10 | 51115110 | 51196110 |
| Base 11 | 31a04311 | 31a70a11 |
| Base 12 | 20797b12 | 20833512 |
| Base 13 | 14b87413 | 14c04813 |
| Base 14 | d43cb14 | d480914 |
| Base 15 | a16bb15 | a1a5b15 |
| Base 16 | 7ccaf16 | 7cfd916 |