12 Days of Christmas
901
Abundant Numbers
780
830
Arabic to Roman
775
Divisors
979
949
Emirp Numbers
589
624
Evil Numbers
800
720
Fibonacci
932
929
Fizz Buzz
973
975
Happy Numbers
737
843
Leap Years
813
740
Look and Say
723
924
Niven Numbers
894
871
Odious Numbers
781
741
Pangram Grep
833
Pernicious Numbers
671
587
Prime Numbers
891
Quine
962338945327920
Recamán
778
808
Roman to Arabic
449
π