Compare 217979 vs 218047
| Property | 217979 | 218047 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2179791 | 2180471 |
| Prime factorization | 217979 | 218047 |
| Divisors count | 2 | 2 |
| Divisors | 1, 217979 | 1, 218047 |
| Number of properties | 5 | 6 |
| Chen primes | 8108th | |
| Good primes | 1072nd | |
| Harmonic primes | 7291st | 7294th |
| Isolated primes | 14823rd | |
| Long primes | 7278th | 7280th |
| Primes | 19442nd | 19446th |
| Twin primes (1st member) | 2312th | |
| Ulam primes | 1392nd | |
| Roman numberals | ||
| Base 2 | 1101010011011110112 | 1101010011101111112 |
| Base 3 | 1020020000223 | 1020020022113 |
| Base 4 | 3110313234 | 3110323334 |
| Base 5 | 234334045 | 234341425 |
| Base 6 | 44010556 | 44012516 |
| Base 7 | 15653367 | 15654647 |
| Base 8 | 6515738 | 6516778 |
| Base 9 | 3620089 | 3620849 |
| Base 10 | 21797910 | 21804710 |
| Base 11 | 13985311 | 13990511 |
| Base 12 | a618b12 | a622712 |
| Base 13 | 782a813 | 7832b13 |
| Base 14 | 5961d14 | 5966b14 |
| Base 15 | 448be15 | 4491715 |
| Base 16 | 3537b16 | 353bf16 |