User: lijing -- 2015-09-02 << 1316 1318 >> |
Hits: 2992 |
Type: Text generator |
Search all Text generator examples |
Description: |
Palindromic prime The first few palindromic prime: 11,101,131,151,181,191,313,353,373,383,727,757,787,797,919,929 ...... two palindromic prime 1, three palindromic prime 15, five palindromic prime 93, seven palindromic prime 668, nine palindromic prime 5172. Whether the number is listed between palindromic prime 1000-999999999 thanks. If you can achieve the purpose. The number of digits to 15(1000000000-100000000000000) can be achieved? List all palindromic prime. |
Output Sample: |
p_prime(2): total:1, p_prime(3): total:15 p_prime(5): total:93 p_prime(7): total:668 p_prime(9): total:5172, time:11 seconds 100030001 100050001 ... 999686999 999727999 p_prime(11): total:42042, time:14 minutes 10000500001 10000900001 ... 99998989999 99999199999 p_prime(>11): too slow |
Answer: |
Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps. |
1. ctrl-h open 'replace' window * set 'replace with pattern' to: * click 'advanced' tab, set 'run following at the beginning of replace' to: 3. click 'replace', done. |
Screenshot 1: Replace_Window |
Screenshot 2: Replace_Advanced_Window |