12 Days of Christmas
779
99 Bottles of Beer
717
Abundant Numbers
770
Abundant Numbers (Long)
810
Arabic to Roman
629
Arithmetic Numbers
827
Collatz
808
Divisors
938
Emirp Numbers
420
Fibonacci
805
Fizz Buzz
942973841
Leap Years
806
Leyland Numbers
687
Niven Numbers
728916
Pascal’s Triangle
570
Pernicious Numbers
608
Prime Numbers
884
Prime Numbers (Long)
927
Van Eck Sequence
519
π
486