Compare 216551 vs 218047
| Property | 216551 | 218047 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2165511 | 2180471 |
| Prime factorization | 216551 | 218047 |
| Divisors count | 2 | 2 |
| Divisors | 1, 216551 | 1, 218047 |
| Number of properties | 5 | 6 |
| Chen primes | 8056th | |
| Good primes | 1059th | 1072nd |
| Harmonic primes | 7294th | |
| Isolated primes | 14823rd | |
| Long primes | 7280th | |
| Primes | 19325th | 19446th |
| Twin primes (1st member) | 2295th | |
| Ulam primes | 1384th | 1392nd |
| Roman numberals | ||
| Base 2 | 1101001101111001112 | 1101010011101111112 |
| Base 3 | 1020000011023 | 1020020022113 |
| Base 4 | 3103132134 | 3110323334 |
| Base 5 | 234122015 | 234341425 |
| Base 6 | 43503156 | 44012516 |
| Base 7 | 15612267 | 15654647 |
| Base 8 | 6467478 | 6516778 |
| Base 9 | 3600429 | 3620849 |
| Base 10 | 21655110 | 21804710 |
| Base 11 | 13877511 | 13990511 |
| Base 12 | a539b12 | a622712 |
| Base 13 | 7774a13 | 7832b13 |
| Base 14 | 58cbd14 | 5966b14 |
| Base 15 | 4426b15 | 4491715 |
| Base 16 | 34de716 | 353bf16 |