Hortaros
Abundant Numbers
516
Abundant Numbers (Long)
573
Arabic to Roman
352
Collatz
713
Divisors
831
Fibonacci
947
Fizz Buzz
883
Foo Fizz Buzz Bar
786
Fractions
590
Niven Numbers
721
Number Spiral
353
Pernicious Numbers
690
Prime Numbers (Long)
530
Quine
969
Roman to Arabic
477
√2
710