Abundant Numbers
762
Arabic to Roman
528
Christmas Trees
729
Divisors
860
Evil Numbers
661
Fibonacci
917
Fizz Buzz
966
Happy Numbers
574
Leap Years
833
Levenshtein Distance
559
Leyland Numbers
581
Niven Numbers
1,000
Odious Numbers
661
Ordinal Numbers
776
Pangram Grep
670
Prime Numbers
632
Quine
893