More Problems

• Create a program to check if a number is a perfect number using its divisors.
• Write a program to compute the sum of the first n even numbers.
• Implement a function to find the GCD of three numbers using the Euclidean algorithm.
• Create a program to check if a number is a strong prime.
• Write a program to calculate the sum of the digits of a number until a single digit is obtained.
• Implement a function to find the number of unique characters in a string.
• Create a program to check if two numbers are amicable.
• Write a program to compute the average of prime numbers in a list.