Compare 21739 vs 21746
| Property | 21739 | 21746 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 217391 | 21 × 831 × 1311 |
| Prime factorization | 21739 | 2 × 83 × 131 |
| Divisors count | 2 | 8 |
| Divisors | 1, 21739 | 1, 2, 83, 131, 166, 262, 10873, 21746 |
| Number of properties | 4 | 0 |
| Chen primes | 1198th | |
| Lucky primes | 393rd | |
| Primes | 2439th | |
| Twin primes (2nd member) | 371st | |
| Roman numberals | ||
| Base 2 | 1010100111010112 | 1010100111100102 |
| Base 3 | 10022110113 | 10022111023 |
| Base 4 | 111032234 | 111033024 |
| Base 5 | 11434245 | 11434415 |
| Base 6 | 2443516 | 2444026 |
| Base 7 | 1202447 | 1202547 |
| Base 8 | 523538 | 523628 |
| Base 9 | 327349 | 327429 |
| Base 10 | 2173910 | 2174610 |
| Base 11 | 1537311 | 1537a11 |
| Base 12 | 106b712 | 1070212 |
| Base 13 | 9b8313 | 9b8a13 |
| Base 14 | 7ccb14 | 7cd414 |
| Base 15 | 669415 | 669b15 |
| Base 16 | 54eb16 | 54f216 |