12 Days of Christmas
442
Abundant Numbers
860
667
Arabic to Roman
Divisors
1,000
932
Emirp Numbers
679
456
Evil Numbers
816
722
Fibonacci
947
962
Fizz Buzz
964
900
Happy Numbers
686
545
Leap Years
827
767
Look and Say
800
944
Niven Numbers
917
784
Odious Numbers
800
722
Pangram Grep
886
Pernicious Numbers
690
596
Prime Numbers
909
Quine
1,000348969355962
Recamán
724
857
Roman to Arabic
397
π
689