All Questions
Tagged with palindrome primes
6
questions
2
votes
2
answers
2k
views
Simple Input Text Analysis
I've started learning java. I've written a small program I've done in C before. It's simple input analysis. If there is
number, program checks if number is prime. Then write number: (value of input ...
2
votes
3
answers
517
views
HackersEarth - Reverse primes
Generate as many distinct primes P such that reverse (P) is also prime
and is not equal to P.
Output: Print per line one integer( ≤ 10^15 ). Don't print more than
10^6 integers in all.
...
5
votes
1
answer
1k
views
Determine all prime, palindrome string integers within a range
I have written a program in Python 3x to determine all the prime, palindrome string integers in the range of two given numbers.
...
25
votes
5
answers
2k
views
Count distinct primes, discarding palindromes, in under 2 seconds
Problem Statement
Generate as many distinct primes P such that reverse (P) is also prime
and is not equal to P.
Output:
Print per line one integer( ≤ 1015 ). Don't print more than
106 ...
5
votes
2
answers
3k
views
Calculating all prime palindromes from 0 to 1000 and printing the largest
I have often read about how important clear and efficient code is. Also often people talk and write about 'beautiful' code. Some hints and critic from experienced developers for the following code ...
12
votes
1
answer
335
views
Depth-first search method for searching for all "superpalindromes" whose prime factors are all <=N
A question was asked over at math.SE (here) about whether or not there are infinitely many superpalindromes. I'm going to rephrase the definition to a more suitable one for coding purposes:
...