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Solutions 30-39

This category contains 10 posts

Project Euler Problem 30 Solution

Find the sum of all the numbers that can be written as the sum of fifth powers of their digits.

Project Euler Problem 31 Solution

Investigating combinations of English currency denominations.

Project Euler Problem 32 Solution

Find the sum of all numbers that can be written as pandigital products.

Project Euler Problem 33 Solution

Discover all the fractions with an unorthodox cancelling method.

Project Euler Problem 34 Solution

Find the sum of all numbers which are equal to the sum of the factorial of their digits.

Project Euler Problem 35 Solution

How many circular primes are there below one million?

Project Euler Problem 36 Solution

Find the sum of all numbers less than one million, which are palindromic in base 10 and base 2.

Project Euler Problem 37 Solution

Find the sum of all eleven primes that are both truncatable from left to right and right to left.

Project Euler Problem 38 Solution

What is the largest 1 to 9 pandigital that can be formed by multiplying a fixed number by 1, 2, 3, … ?

Project Euler Problem 39 Solution

If p is the perimeter of a right angle triangle, {a, b, c}, which value, for p ≤ 1000, has the most solutions?