12 Days of Christmas
431
Abundant Numbers
842
636
Arabic to Roman
Divisors
961
885
Emirp Numbers
665
438
Evil Numbers
800
694
Fibonacci
932
929
Fizz Buzz
955
881
Happy Numbers
669
524
Leap Years
812
738
Look and Say
775
889
Niven Numbers
894
745
Odious Numbers
781
689
Pangram Grep
833
Pernicious Numbers
671
567
Prime Numbers
891
Quine
962326945327920
Recamán
702
808
Roman to Arabic
374
π