99 Bottles of Beer
678
Divisors
706
930
Emirp Numbers
748
Evil Numbers
689
588
Fibonacci
697
625
Fizz Buzz
655
755
Happy Numbers
480
Leap Years
818
790
Niven Numbers
628
495
Odious Numbers
689
588
Pascalβs Triangle
430
755
Pernicious Numbers
662
Prime Numbers
468
768
Roman to Arabic
494
Rule 110
491
Spelling Numbers
722
β2
227