12 Days of Christmas
842
99 Bottles of Beer
722
Abundant Numbers
770
Abundant Numbers (Long)
810
Arabic to Roman
629
Arithmetic Numbers
826
Collatz
808
Divisors
937
Emirp Numbers
421
Fibonacci
804
Fizz Buzz
946973841
Leap Years
806
Leyland Numbers
687
Niven Numbers
728916
Pascal’s Triangle
569
Pernicious Numbers
607
Prime Numbers
883
Prime Numbers (Long)
926
Van Eck Sequence
519
π
486