Compare 21163 vs 21247
| Property | 21163 | 21247 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211631 | 212471 |
| Prime factorization | 21163 | 21247 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21163 | 1, 21247 |
| Number of properties | 6 | 3 |
| Additive primes | 1105th | |
| Isolated primes | 1660th | 1667th |
| Long primes | 907th | |
| Primes | 2379th | 2388th |
| Sexy primes (1st member) | 721st | |
| Sexy primes (2nd member) | 720th | |
| Sexy prime triplets (2nd member) | 197th | |
| Roman numberals | ||
| Base 2 | 1010010101010112 | 1010010111111112 |
| Base 3 | 10020002113 | 10020102213 |
| Base 4 | 110222234 | 110233334 |
| Base 5 | 11341235 | 11344425 |
| Base 6 | 2415516 | 2422116 |
| Base 7 | 1154627 | 1156427 |
| Base 8 | 512538 | 513778 |
| Base 9 | 320249 | 321279 |
| Base 10 | 2116310 | 2124710 |
| Base 11 | 1499a11 | 14a6611 |
| Base 12 | 102b712 | 1036712 |
| Base 13 | 982c13 | 989513 |
| Base 14 | 79d914 | 7a5914 |
| Base 15 | 640d15 | 646715 |
| Base 16 | 52ab16 | 52ff16 |