12 Days of Christmas
366
Abundant Numbers
645
Abundant Numbers (Long)
714
Collatz
731
Divisors
684
Emirp Numbers
433
Emirp Numbers (Long)
485
Evil Numbers
488
Fibonacci
632
Fizz Buzz
616
Foo Fizz Buzz Bar
550
ISBN
507
Leap Years
597
Levenshtein Distance
400
Niven Numbers
629
Niven Numbers (Long)
694
Odious Numbers
449
Ordinal Numbers
482
Pernicious Numbers
328
Pernicious Numbers (Long)
408
Prime Numbers
597
Prime Numbers (Long)
638
Recamán
598
Smith Numbers
319