Compare 212123 vs 212909
| Property | 212123 | 212909 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2121231 | 2129091 |
| Prime factorization | 212123 | 212909 |
| Divisors count | 2 | 2 |
| Divisors | 1, 212123 | 1, 212909 |
| Number of properties | 6 | 9 |
| Additive primes | 7663rd | 7689th |
| Chen primes | 7953rd | |
| Happy primes | 2888th | |
| Isolated primes | 14441st | 14491st |
| Long primes | 7116th | |
| Primes | 18984th | 19040th |
| Pythagorean primes | 9506th | |
| Sexy primes (2nd member) | 4502nd | 4516th |
| Sexy prime triplets (3rd member) | 906th | |
| Sophie germain primes | 2160th | 2165th |
| Roman numberals | ||
| Base 2 | 1100111100100110112 | 1100111111101011012 |
| Base 3 | 1012022221023 | 1012110011123 |
| Base 4 | 3033021234 | 3033322314 |
| Base 5 | 232414435 | 233031145 |
| Base 6 | 43140156 | 43214056 |
| Base 7 | 15423027 | 15445047 |
| Base 8 | 6362338 | 6376558 |
| Base 9 | 3528729 | 3540459 |
| Base 10 | 21212310 | 21290910 |
| Base 11 | 13540a11 | 135a6411 |
| Base 12 | a290b12 | a326512 |
| Base 13 | 7572213 | 75ba813 |
| Base 14 | 5743914 | 5783b14 |
| Base 15 | 42cb815 | 4313e15 |
| Base 16 | 33c9b16 | 33fad16 |