Compare 21739 vs 21741
| Property | 21739 | 21741 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 217391 | 31 × 72471 |
| Prime factorization | 21739 | 3 × 7247 |
| Divisors count | 2 | 4 |
| Divisors | 1, 21739 | 1, 3, 7247, 21741 |
| Number of properties | 4 | 1 |
| Chen primes | 1198th | |
| Lucky primes | 393rd | |
| Primes | 2439th | |
| Semiprimes | 5495th | |
| Twin primes (2nd member) | 371st | |
| Roman numberals | ||
| Base 2 | 1010100111010112 | 1010100111011012 |
| Base 3 | 10022110113 | 10022110203 |
| Base 4 | 111032234 | 111032314 |
| Base 5 | 11434245 | 11434315 |
| Base 6 | 2443516 | 2443536 |
| Base 7 | 1202447 | 1202467 |
| Base 8 | 523538 | 523558 |
| Base 9 | 327349 | 327369 |
| Base 10 | 2173910 | 2174110 |
| Base 11 | 1537311 | 1537511 |
| Base 12 | 106b712 | 106b912 |
| Base 13 | 9b8313 | 9b8513 |
| Base 14 | 7ccb14 | 7ccd14 |
| Base 15 | 669415 | 669615 |
| Base 16 | 54eb16 | 54ed16 |