99 Bottles of Beer
668
Abundant Numbers
580
Abundant Numbers (Long)
719
ASCII Table
622
Card Number Validation
537
Fibonacci
597734495611960696786
Fizz Buzz
761
Foo Fizz Buzz Bar
767
Forsyth–Edwards Notation
581
Fractions
409
Niven Numbers
438
Prime Numbers
503
Prime Numbers (Long)
693
Reverse Polish Notation
510
Roman to Arabic
572
ROT13
645
Tongue-twisters
497