Compare 21211 vs 21739
| Property | 21211 | 21739 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212111 | 217391 |
| Prime factorization | 21211 | 21739 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21211 | 1, 21739 |
| Number of properties | 5 | 4 |
| Additive primes | 1108th | |
| Chen primes | 1198th | |
| Isolated primes | 1664th | |
| Long primes | 906th | |
| Lucky primes | 388th | 393rd |
| Primes | 2385th | 2439th |
| Twin primes (2nd member) | 371st | |
| Roman numberals | ||
| Base 2 | 1010010110110112 | 1010100111010112 |
| Base 3 | 10020021213 | 10022110113 |
| Base 4 | 110231234 | 111032234 |
| Base 5 | 11343215 | 11434245 |
| Base 6 | 2421116 | 2443516 |
| Base 7 | 1155617 | 1202447 |
| Base 8 | 513338 | 523538 |
| Base 9 | 320779 | 327349 |
| Base 10 | 2121110 | 2173910 |
| Base 11 | 14a3311 | 1537311 |
| Base 12 | 1033712 | 106b712 |
| Base 13 | 986813 | 9b8313 |
| Base 14 | 7a3114 | 7ccb14 |
| Base 15 | 644115 | 669415 |
| Base 16 | 52db16 | 54eb16 |