Compare 201211 vs 201217
| Property | 201211 | 201217 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2012111 | 3111 × 6471 |
| Prime factorization | 201211 | 311 × 647 |
| Divisors count | 2 | 4 |
| Divisors | 1, 201211 | 1, 311, 647, 201217 |
| Number of properties | 4 | 1 |
| Additive primes | 7272nd | |
| Long primes | 6775th | |
| Primes | 18079th | |
| Semiprimes | 45505th | |
| Twin primes (2nd member) | 2166th | |
| Roman numberals | ||
| Base 2 | 1100010001111110112 | 1100010010000000012 |
| Base 3 | 1010200000213 | 1010200001113 |
| Base 4 | 3010133234 | 3010200014 |
| Base 5 | 224143215 | 224143325 |
| Base 6 | 41513116 | 41513216 |
| Base 7 | 14654237 | 14654327 |
| Base 8 | 6107738 | 6110018 |
| Base 9 | 3360079 | 3360149 |
| Base 10 | 20121110 | 20121710 |
| Base 11 | 12819a11 | 1281a511 |
| Base 12 | 9853712 | 9854112 |
| Base 13 | 7077a13 | 7078313 |
| Base 14 | 5348314 | 5348914 |
| Base 15 | 3e94115 | 3e94715 |
| Base 16 | 311fb16 | 3120116 |