12 Days of Christmas
910
Abundant Numbers
785
847
Arabic to Roman
778
Divisors
984
967
Emirp Numbers
592
629
Evil Numbers
802
725
Fibonacci
935
938
Fizz Buzz
977
987
Happy Numbers
741
858
Leap Years
815
748
Look and Say
728
942
Niven Numbers
902
895
Odious Numbers
784
750
Pangram Grep
854
Pernicious Numbers
675
596
Prime Numbers
892
Quine
968339947331924
Recamán
785
832
Roman to Arabic
457
π