12 Days of Christmas
896
99 Bottles of Beer
662
Abundant Numbers
761
Abundant Numbers (Long)
903
Arabic to Roman
682
Arithmetic Numbers
835
Ascending Primes
258
Catalan Numbers
702
Collatz
836
Divisors
984
Evil Numbers (Long)
800
Fibonacci
935
Fizz Buzz
945
Happy Numbers
683
Happy Numbers (Long)
744
ISBN
626
Prime Numbers
701