Abundant Numbers
873
Abundant Numbers (Long)
821
Arithmetic Numbers
768
Ascending Primes
378
ASCII Table
579
Christmas Trees
734
Collatz
778830
737
Day of Week
683
Diamonds
615
599
Divisors
834
885911
Emirp Numbers
882
Emirp Numbers (Long)
605
Evil Numbers
980
Evil Numbers (Long)
949
Fibonacci
874939934958
Fizz Buzz
938
890
Fractions
634
Happy Numbers
551
Happy Numbers (Long)
685
Leap Years
839
918
Niven Numbers
954
Niven Numbers (Long)
895
Number Spiral
441
Pangram Grep
712
Pascal’s Triangle
838
Pernicious Numbers
735
Pernicious Numbers (Long)
800
Prime Numbers
680
871
Prime Numbers (Long)
664
950