12 Days of Christmas
605
99 Bottles of Beer
704
Abundant Numbers
745
Abundant Numbers (Long)
819
Arabic to Roman
630
Arithmetic Numbers
839
Collatz
813
Divisors
948
Emirp Numbers
321
Fibonacci
808
Fizz Buzz
784891843
Leap Years
810
Leyland Numbers
695
Niven Numbers
732927
Pascal’s Triangle
573
Pernicious Numbers
613
Prime Numbers
885
Prime Numbers (Long)
931
Van Eck Sequence
522
π
487