12 Days of Christmas
841
99 Bottles of Beer
733
Abundant Numbers
778
Abundant Numbers (Long)
821
Arabic to Roman
629
Arithmetic Numbers
836
Collatz
815
Divisors
946
Emirp Numbers
423
Fibonacci
807
Fizz Buzz
973977846
Leap Years
810
Leyland Numbers
757
Niven Numbers
734931
Pascal’s Triangle
572
Pernicious Numbers
612
Prime Numbers
884
Prime Numbers (Long)
928
Van Eck Sequence
520
π
486