12 Days of Christmas
917
99 Bottles of Beer
854
Abundant Numbers
851
Christmas Trees
839
Cubes
643
Diamonds
718
Divisors
945
Emirp Numbers
537
Evil Numbers
727
Fibonacci
1,000
729
Fizz Buzz
915
Morse Decoder
458
Niven Numbers
978
Odious Numbers
736
Pangram Grep
827
Pernicious Numbers
558
Prime Numbers
767
United States
440
π
470
τ
470
φ
598
√2
557