Hortaros
Abundant Numbers
528
Abundant Numbers (Long)
629
Arabic to Roman
481
Collatz
831
Divisors
863
Fibonacci
934
Fizz Buzz
960
Foo Fizz Buzz Bar
974
Fractions
673
Niven Numbers
709
Number Spiral
418
Pernicious Numbers
674
Prime Numbers (Long)
515
Quine
946
Roman to Arabic
612
√2
696