12 Days of Christmas
435
Abundant Numbers
845
647
Arabic to Roman
Divisors
985
902
Emirp Numbers
667
443
Evil Numbers
801
698
Fibonacci
935
937
Fizz Buzz
956
885
Happy Numbers
673
534
Leap Years
815
745
Look and Say
781
907
Niven Numbers
899
761
Odious Numbers
784
697
Pangram Grep
850
Pernicious Numbers
674
576
Prime Numbers
892
Quine
967326946331923
Recamán
708
828
Roman to Arabic
381
π
668