Compare 216401 vs 216649
| Property | 216401 | 216649 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2164011 | 2166491 |
| Prime factorization | 216401 | 216649 |
| Divisors count | 2 | 2 |
| Divisors | 1, 216401 | 1, 216649 |
| Number of properties | 4 | 6 |
| Cousin primes (1st member) | 2284th | |
| Cousin primes (2nd member) | 2283rd | |
| Harmonic primes | 7249th | |
| Isolated primes | 14730th | |
| Primes | 19317th | 19334th |
| Prime triplets (2nd member) | 891st | |
| Pythagorean primes | 9637th | 9647th |
| Twin primes (2nd member) | 2297th | |
| Roman numberals | ||
| Base 2 | 1101001101010100012 | 1101001110010010012 |
| Base 3 | 1012222112123 | 1020000120013 |
| Base 4 | 3103111014 | 3103210214 |
| Base 5 | 234111015 | 234130445 |
| Base 6 | 43455056 | 43510016 |
| Base 7 | 15606237 | 15614267 |
| Base 8 | 6465218 | 6471118 |
| Base 9 | 3587559 | 3601619 |
| Base 10 | 21640110 | 21664910 |
| Base 11 | 13864911 | 13885411 |
| Base 12 | a529512 | a546112 |
| Base 13 | 7766313 | 777c413 |
| Base 14 | 58c1314 | 58d4d14 |
| Base 15 | 441bb15 | 442d415 |
| Base 16 | 34d5116 | 34e4916 |