12 Days of Christmas
604
99 Bottles of Beer
714
Abundant Numbers
744
Abundant Numbers (Long)
819
Arabic to Roman
630
Arithmetic Numbers
838
Collatz
812
Divisors
947
Emirp Numbers
321
Fibonacci
807
Fizz Buzz
784891843
Leap Years
809
Leyland Numbers
715
Niven Numbers
732927
Pascal’s Triangle
572
Pernicious Numbers
612
Prime Numbers
884
Prime Numbers (Long)
929
Van Eck Sequence
521
π
487