12 Days of Christmas
841
99 Bottles of Beer
732
Abundant Numbers
779
Abundant Numbers (Long)
823
Arabic to Roman
630
Arithmetic Numbers
838
Collatz
815
Divisors
947
Emirp Numbers
423
Fibonacci
807
Fizz Buzz
973977846
Leap Years
810
Leyland Numbers
716
Niven Numbers
734932
Pascal’s Triangle
572
Pernicious Numbers
612
Prime Numbers
884
Prime Numbers (Long)
929
Van Eck Sequence
521
π
487