99 Bottles of Beer
669
Abundant Numbers
578
Abundant Numbers (Long)
715
ASCII Table
621
Card Number Validation
536
Fibonacci
596733811611959696785
Fizz Buzz
760
Foo Fizz Buzz Bar
764
Forsyth–Edwards Notation
581
Fractions
407
Niven Numbers
438
Prime Numbers
502
Prime Numbers (Long)
692
Reverse Polish Notation
509
Roman to Arabic
570
ROT13
640
Tongue-twisters
504