Compare 21739 vs 21744
| Property | 21739 | 21744 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 7 |
| Prime factorization | 217391 | 24 × 32 × 1511 |
| Prime factorization | 21739 | 2 × 2 × 2 × 2 × 3 × 3 × 151 |
| Divisors count | 2 | 30 |
| Divisors | 1, 21739 | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 151, 302, 453, 604, 906, 1208, 1359, 1812, 2416, 2718, 3624, 5436, 7248, 10872, 21744 |
| Number of properties | 4 | 0 |
| Chen primes | 1198th | |
| Lucky primes | 393rd | |
| Primes | 2439th | |
| Twin primes (2nd member) | 371st | |
| Roman numberals | ||
| Base 2 | 1010100111010112 | 1010100111100002 |
| Base 3 | 10022110113 | 10022111003 |
| Base 4 | 111032234 | 111033004 |
| Base 5 | 11434245 | 11434345 |
| Base 6 | 2443516 | 2444006 |
| Base 7 | 1202447 | 1202527 |
| Base 8 | 523538 | 523608 |
| Base 9 | 327349 | 327409 |
| Base 10 | 2173910 | 2174410 |
| Base 11 | 1537311 | 1537811 |
| Base 12 | 106b712 | 1070012 |
| Base 13 | 9b8313 | 9b8813 |
| Base 14 | 7ccb14 | 7cd214 |
| Base 15 | 669415 | 669915 |
| Base 16 | 54eb16 | 54f016 |