12 Days of Christmas
508
99 Bottles of Beer
705
Abundant Numbers
740
Abundant Numbers (Long)
811
Arabic to Roman
629
Arithmetic Numbers
828
Collatz
809
Divisors
938
Emirp Numbers
318
Fibonacci
805
Fizz Buzz
768890841
Leap Years
806
Leyland Numbers
687
Niven Numbers
728917
Pascal’s Triangle
570
Pernicious Numbers
608
Prime Numbers
884
Prime Numbers (Long)
928
Van Eck Sequence
520
π
480