24 Game
12
Abundant Numbers
613
Abundant Numbers (Long)
378
Alphabetic Numbers
103
Card Number Validation
290
Collatz
588
Day of Week
533
Divisors
615
Emirp Numbers
310
Fibonacci
659
Fizz Buzz
677
Happy Numbers
190
Happy Numbers (Long)
296
Leap Years
605
Leyland Numbers
190
Prime Numbers (Long)
577
United States
91