12 Days of Christmas
842
99 Bottles of Beer
733
Abundant Numbers
779
Abundant Numbers (Long)
823
Arabic to Roman
632
Arithmetic Numbers
839
Collatz
816
Divisors
948
Emirp Numbers
423
Fibonacci
807
Fizz Buzz
973977846
Leap Years
811
Leyland Numbers
717
Niven Numbers
734932
Pascal’s Triangle
574
Pernicious Numbers
613
Prime Numbers
885
Prime Numbers (Long)
931
Van Eck Sequence
522
π
488