12 Days of Christmas
900
99 Bottles of Beer
662
Abundant Numbers
760
Abundant Numbers (Long)
915
Arabic to Roman
679
Arithmetic Numbers
842
Ascending Primes
259
Catalan Numbers
701
Collatz
898
Divisors
984
Evil Numbers (Long)
798
Fibonacci
934
Fizz Buzz
944
Happy Numbers
682
Happy Numbers (Long)
742
ISBN
624
Prime Numbers
700