12 Days of Christmas
526
99 Bottles of Beer
704
Abundant Numbers
739
Abundant Numbers (Long)
810
Arabic to Roman
628
Arithmetic Numbers
827
Collatz
808
Divisors
937
Emirp Numbers
318
Fibonacci
805
Fizz Buzz
768889841
Leap Years
805
Leyland Numbers
687
Niven Numbers
728916
Pascal’s Triangle
569
Pernicious Numbers
607
Prime Numbers
884
Prime Numbers (Long)
926
Van Eck Sequence
519
π
486