12 Days of Christmas
86899 Bottles of Beer
752Arabic to Roman
739Christmas Trees
824Diamonds
582Divisors
957Emirp Numbers
444Evil Numbers
730Fibonacci
806Fizz Buzz
980Happy Numbers
721Leap Years
805Niven Numbers
895Odious Numbers
737Pangram Grep
867Pascalβs Triangle
1,000Pernicious Numbers
433Prime Numbers
912Seven Segment
672