Arabic to Roman
671
Arrows
502
Card Number Validation
746
Christmas Trees
531
763
Collatz
836
Cubes
508
Emirp Numbers
620
Fibonacci
512
428
Fizz Buzz
703
Leap Years
731
Levenshtein Distance
672
ln 2
904
Morse Encoder
665
Prime Numbers
633
Roman to Arabic
321
Transpose Sentence
741
United States
Vampire Numbers
720
Zeckendorf Representation
849
τ
8198
13764112594045