$./app Sign detection [1] Power of two [2] Counting No. of bits set [3] Set or clear bits without branching[4] Find maximum value[5] Finding least common multiple[6] Finding the greatest commom divisor[7] Finding if a number is an Armstrong number or not[8] Finding if a given number is prime number[9] Finding the number of twin prime numbers[10] Finding if a number is palindrome or not[11] Finding prime factor of a number[12] Finding the value of M^N[13] Finding factorial of a number[14] Finding the sum of the series 1! + 2! +...+N! [15] Finding the sume of the series 1 + 2 +...+N [16] Finding Parity of an Integer [17] Finding the biggest among three numbers [18] Finding the sum of even and odd numbers up to a number N [19] Finding the sum and number of integers divisible by 5 [20] Swapping Values [21] Finding the decimal value for a binary [22] Finding the reverse of an integer [23] Finding a way for user authentication [24]: Finding the binary equivalent of a decimal number and count no. of 1's in binary number [25] Option: 25 Enter a decimal integer 25 Input number is 25 It's binary equivalent is 11001 No. of 1s in the binary number is 3 $./app Sign detection [1] Power of two [2] Counting No. of bits set [3] Set or clear bits without branching[4] Find maximum value[5] Finding least common multiple[6] Finding the greatest commom divisor[7] Finding if a number is an Armstrong number or not[8] Finding if a given number is prime number[9] Finding the number of twin prime numbers[10] Finding if a number is palindrome or not[11] Finding prime factor of a number[12] Finding the value of M^N[13] Finding factorial of a number[14] Finding the sum of the series 1! + 2! +...+N! [15] Finding the sume of the series 1 + 2 +...+N [16] Finding Parity of an Integer [17] Finding the biggest among three numbers [18] Finding the sum of even and odd numbers up to a number N [19] Finding the sum and number of integers divisible by 5 [20] Swapping Values [21] Finding the decimal value for a binary [22] Finding the reverse of an integer [23] Finding a way for user authentication [24]: Finding the binary equivalent of a decimal number and count no. of 1's in binary number [25] Option: 22 Enter a binary number : 11001 The binary number is : 11001 It's decimal equivalent is: 25 $