Compare 201211 vs 201218
| Property | 201211 | 201218 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2012111 | 21 × 1006091 |
| Prime factorization | 201211 | 2 × 100609 |
| Divisors count | 2 | 4 |
| Divisors | 1, 201211 | 1, 2, 100609, 201218 |
| Number of properties | 4 | 1 |
| Additive primes | 7272nd | |
| Long primes | 6775th | |
| Primes | 18079th | |
| Semiprimes | 45506th | |
| Twin primes (2nd member) | 2166th | |
| Roman numberals | ||
| Base 2 | 1100010001111110112 | 1100010010000000102 |
| Base 3 | 1010200000213 | 1010200001123 |
| Base 4 | 3010133234 | 3010200024 |
| Base 5 | 224143215 | 224143335 |
| Base 6 | 41513116 | 41513226 |
| Base 7 | 14654237 | 14654337 |
| Base 8 | 6107738 | 6110028 |
| Base 9 | 3360079 | 3360159 |
| Base 10 | 20121110 | 20121810 |
| Base 11 | 12819a11 | 1281a611 |
| Base 12 | 9853712 | 9854212 |
| Base 13 | 7077a13 | 7078413 |
| Base 14 | 5348314 | 5348a14 |
| Base 15 | 3e94115 | 3e94815 |
| Base 16 | 311fb16 | 3120216 |