Arghadip Chatterjee

A special two-digit number is a number such that when the sum of the digits of the number is added to the product of its digits, the result is equal...

Buzz number is another special number in Java that ends with digit 7 or divisible by 7. Unlike Prime and Armstrong numbers, the Buzz number is not so popular and...

A number is called happy if it leads to 1 after a sequence of steps wherein each step number is replaced by the sum of squares of its digit that...

A special two-digit number is a number such that when the sum of the digits of the number is added to the product of its digits, the result is equal...