Abundant Numbers
Divisors
822817722
Emirp Numbers
Evil Numbers
537
Fibonacci
793
Fizz Buzz
673841734685
Happy Numbers
Leap Years
783895694559
Niven Numbers
Odious Numbers
Pangram Grep
Pernicious Numbers
457
Prime Numbers
598793615
RecamΓ‘n
557
Seven Segment
Van Eck Sequence