12 Days of Christmas
790
Abundant Numbers
661
Abundant Numbers (Long)
786
Collatz
854
Divisors
710
Emirp Numbers
525
Emirp Numbers (Long)
566
Evil Numbers
479
Fibonacci
623
Fizz Buzz
670
Foo Fizz Buzz Bar
682
ISBN
630
Leap Years
589
Levenshtein Distance
497
Niven Numbers
619
Niven Numbers (Long)
679
Odious Numbers
440
Ordinal Numbers
576
Pernicious Numbers
321
Pernicious Numbers (Long)
405
Prime Numbers
586
Prime Numbers (Long)
621
Recamán
648
Smith Numbers
421