Compare 212909 vs 213209
| Property | 212909 | 213209 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2129091 | 2132091 |
| Prime factorization | 212909 | 213209 |
| Divisors count | 2 | 2 |
| Divisors | 1, 212909 | 1, 213209 |
| Number of properties | 9 | 6 |
| Additive primes | 7689th | 7705th |
| Chen primes | 7953rd | 7962nd |
| Isolated primes | 14491st | 14513th |
| Long primes | 7116th | |
| Primes | 19040th | 19064th |
| Pythagorean primes | 9506th | 9517th |
| Sexy primes (2nd member) | 4516th | 4522nd |
| Sexy prime triplets (3rd member) | 906th | |
| Sophie germain primes | 2165th | |
| Roman numberals | ||
| Base 2 | 1100111111101011012 | 1101000000110110012 |
| Base 3 | 1012110011123 | 1012111101223 |
| Base 4 | 3033322314 | 3100031214 |
| Base 5 | 233031145 | 233103145 |
| Base 6 | 43214056 | 43230256 |
| Base 7 | 15445047 | 15454137 |
| Base 8 | 6376558 | 6403318 |
| Base 9 | 3540459 | 3544189 |
| Base 10 | 21290910 | 21320910 |
| Base 11 | 135a6411 | 13620711 |
| Base 12 | a326512 | a347512 |
| Base 13 | 75ba813 | 7607913 |
| Base 14 | 5783b14 | 579b314 |
| Base 15 | 4313e15 | 4328e15 |
| Base 16 | 33fad16 | 340d916 |