Compare 212909 vs 212919
| Property | 212909 | 212919 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2129091 | 31 × 71 × 101391 |
| Prime factorization | 212909 | 3 × 7 × 10139 |
| Divisors count | 2 | 8 |
| Divisors | 1, 212909 | 1, 3, 7, 21, 10139, 30417, 70973, 212919 |
| Number of properties | 9 | 0 |
| Additive primes | 7689th | |
| Chen primes | 7953rd | |
| Isolated primes | 14491st | |
| Long primes | 7116th | |
| Primes | 19040th | |
| Pythagorean primes | 9506th | |
| Sexy primes (2nd member) | 4516th | |
| Sexy prime triplets (3rd member) | 906th | |
| Sophie germain primes | 2165th | |
| Roman numberals | ||
| Base 2 | 1100111111101011012 | 1100111111101101112 |
| Base 3 | 1012110011123 | 1012110012203 |
| Base 4 | 3033322314 | 3033323134 |
| Base 5 | 233031145 | 233031345 |
| Base 6 | 43214056 | 43214236 |
| Base 7 | 15445047 | 15445207 |
| Base 8 | 6376558 | 6376678 |
| Base 9 | 3540459 | 3540569 |
| Base 10 | 21290910 | 21291910 |
| Base 11 | 135a6411 | 135a7311 |
| Base 12 | a326512 | a327312 |
| Base 13 | 75ba813 | 75bb513 |
| Base 14 | 5783b14 | 5784714 |
| Base 15 | 4313e15 | 4314915 |
| Base 16 | 33fad16 | 33fb716 |