Compare 212161 vs 212557
| Property | 212161 | 212557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2121611 | 2125571 |
| Prime factorization | 212161 | 212557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 212161 | 1, 212557 |
| Number of properties | 5 | 7 |
| Additive primes | 7665th | |
| Chen primes | 7942nd | |
| Cousin primes (1st member) | 2255th | |
| Harmonic primes | 7121st | |
| Isolated primes | 14444th | 14468th |
| Primes | 18987th | 19013th |
| Pythagorean primes | 9480th | 9491st |
| Sexy primes (1st member) | 4503rd | |
| Super primes | 2161st | |
| Roman numberals | ||
| Base 2 | 1100111100110000012 | 1100111110010011012 |
| Base 3 | 1012100002113 | 1012101201113 |
| Base 4 | 3033030014 | 3033210314 |
| Base 5 | 232421215 | 233002125 |
| Base 6 | 43141216 | 43200216 |
| Base 7 | 15423557 | 15434627 |
| Base 8 | 6363018 | 6371158 |
| Base 9 | 3530249 | 3535149 |
| Base 10 | 21216110 | 21255710 |
| Base 11 | 13544411 | 13577411 |
| Base 12 | a294112 | a301112 |
| Base 13 | 7575113 | 7599713 |
| Base 14 | 5746514 | 5766914 |
| Base 15 | 42ce115 | 42ea715 |
| Base 16 | 33cc116 | 33e4d16 |