24 Game
23
Abundant Numbers
613
Abundant Numbers (Long)
378
Alphabetic Numbers
128
Card Number Validation
290
Collatz
588
Day of Week
533
Divisors
615
Emirp Numbers
509
Fibonacci
659
Fizz Buzz
677
Happy Numbers
291
Happy Numbers (Long)
296
Leap Years
605
Leyland Numbers
223
Prime Numbers (Long)
577
United States
96