Compare 21031 vs 21211
| Property | 21031 | 21211 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 210311 | 212111 |
| Prime factorization | 21031 | 21211 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21031 | 1, 21211 |
| Number of properties | 3 | 5 |
| Additive primes | 1098th | 1108th |
| Isolated primes | 1650th | 1664th |
| Long primes | 906th | |
| Lucky primes | 388th | |
| Primes | 2367th | 2385th |
| Roman numberals | ||
| Base 2 | 1010010001001112 | 1010010110110112 |
| Base 3 | 10012112213 | 10020021213 |
| Base 4 | 110202134 | 110231234 |
| Base 5 | 11331115 | 11343215 |
| Base 6 | 2412116 | 2421116 |
| Base 7 | 1152137 | 1155617 |
| Base 8 | 510478 | 513338 |
| Base 9 | 317579 | 320779 |
| Base 10 | 2103110 | 2121110 |
| Base 11 | 1488a11 | 14a3311 |
| Base 12 | 1020712 | 1033712 |
| Base 13 | 975a13 | 986813 |
| Base 14 | 794314 | 7a3114 |
| Base 15 | 637115 | 644115 |
| Base 16 | 522716 | 52db16 |