12 Days of Christmas
759
Abundant Numbers
657
Abundant Numbers (Long)
780
Collatz
789
Divisors
694
Emirp Numbers
515
Emirp Numbers (Long)
541
Evil Numbers
478
Fibonacci
622
Fizz Buzz
667
Foo Fizz Buzz Bar
678
ISBN
627
Leap Years
587
Levenshtein Distance
493
Niven Numbers
613
Niven Numbers (Long)
672
Odious Numbers
439
Ordinal Numbers
567
Pernicious Numbers
319
Pernicious Numbers (Long)
401
Prime Numbers
585
Prime Numbers (Long)
619
Recamán
643
Smith Numbers
392