More Problems

• Implement a function to find the sum of all digits in a number.
• Create a program to compute the number of ways to express a number as a sum of two squares.
• Write a program to check if two numbers are coprime.
• Implement a function to find the maximum sum of non-contiguous elements in a list.
• Create a program to calculate the sum of the digits of a factorial.
• Write a program to determine if a number is a prime palindrome.
• Implement a function to find the longest palindromic substring in a string.
• Create a program to check if a number is a Fibonacci number.