12 Days of Christmas
790
Abundant Numbers
661
Abundant Numbers (Long)
774
Collatz
793
Divisors
710
Emirp Numbers
517
Emirp Numbers (Long)
567
Evil Numbers
479
Fibonacci
623
Fizz Buzz
670
Foo Fizz Buzz Bar
682
ISBN
631
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
422