Compare 211231 vs 211238
| Property | 211231 | 211238 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2112311 | 21 × 1056191 |
| Prime factorization | 211231 | 2 × 105619 |
| Divisors count | 2 | 4 |
| Divisors | 1, 211231 | 1, 2, 105619, 211238 |
| Number of properties | 3 | 1 |
| Primes | 18913th | |
| Semiprimes | 47624th | |
| Super primes | 2152nd | |
| Twin primes (2nd member) | 2265th | |
| Roman numberals | ||
| Base 2 | 1100111001000111112 | 1100111001001001102 |
| Base 3 | 1012012021013 | 1012012021223 |
| Base 4 | 3032101334 | 3032102124 |
| Base 5 | 232244115 | 232244235 |
| Base 6 | 43055316 | 43055426 |
| Base 7 | 15365567 | 15365667 |
| Base 8 | 6344378 | 6344468 |
| Base 9 | 3516719 | 3516789 |
| Base 10 | 21123110 | 21123810 |
| Base 11 | 13477911 | 13478511 |
| Base 12 | a22a712 | a22b212 |
| Base 13 | 751b713 | 751c113 |
| Base 14 | 56d9d14 | 56da614 |
| Base 15 | 428c115 | 428c815 |
| Base 16 | 3391f16 | 3392616 |