Compare 201205 vs 201211
| Property | 201205 | 201211 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 402411 | 2012111 |
| Prime factorization | 5 × 40241 | 201211 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 40241, 201205 | 1, 201211 |
| Number of properties | 1 | 4 |
| Additive primes | 7272nd | |
| Long primes | 6775th | |
| Primes | 18079th | |
| Semiprimes | 45504th | |
| Twin primes (2nd member) | 2166th | |
| Roman numberals | ||
| Base 2 | 1100010001111101012 | 1100010001111110112 |
| Base 3 | 1010200000013 | 1010200000213 |
| Base 4 | 3010133114 | 3010133234 |
| Base 5 | 224143105 | 224143215 |
| Base 6 | 41513016 | 41513116 |
| Base 7 | 14654147 | 14654237 |
| Base 8 | 6107658 | 6107738 |
| Base 9 | 3360019 | 3360079 |
| Base 10 | 20120510 | 20121110 |
| Base 11 | 12819411 | 12819a11 |
| Base 12 | 9853112 | 9853712 |
| Base 13 | 7077413 | 7077a13 |
| Base 14 | 5347b14 | 5348314 |
| Base 15 | 3e93a15 | 3e94115 |
| Base 16 | 311f516 | 311fb16 |