Abundant Numbers
713
Arithmetic Numbers
810
Christmas Trees
666
Collatz
831
Divisors
642
Emirp Numbers
579
Emirp Numbers (Long)
643
Evil Numbers
871
Evil Numbers (Long)
848
Fibonacci
932
Fizz Buzz
973
Foo Fizz Buzz Bar
982
Kaprekar Numbers
147
Niven Numbers
704
Niven Numbers (Long)
767
Odious Numbers
849
Odious Numbers (Long)
844
PalindromemordnilaP
773
Pernicious Numbers
749
Pernicious Numbers (Long)
783
Prime Numbers
643
Prime Numbers (Long)
678
Tongue-twisters
495