12 Days of Christmas
166
Abundant Numbers
703
Card Number Validation
583
Collatz
760
Day of Week
779
Evil Numbers
740
Evil Numbers (Long)
725
Fibonacci
601
Fizz Buzz
604
Fractions
668
Leap Years
693
Niven Numbers
704
Niven Numbers (Long)
767
Odious Numbers
685
Odious Numbers (Long)
673
Prime Numbers
552
Prime Numbers (Long)
585
π
134404