12 Days of Christmas
813
Abundant Numbers
697
Abundant Numbers (Long)
839
Arithmetic Numbers
695
Collatz
887
CSS Colors
233
Day of Week
783
Divisors
790
Emojify
301
Evil Numbers
633
Evil Numbers (Long)
624
Fibonacci
652486
Fizz Buzz
841779
Foo Fizz Buzz Bar
861794
Fractions
649
ISBN
620
Leap Years
849662
Morse Decoder
280
Morse Encoder
335
Niven Numbers
746
Niven Numbers (Long)
814
Odious Numbers
783
Odious Numbers (Long)
766
Ordinal Numbers
848
Pangram Grep
761
Prime Numbers
613
Prime Numbers (Long)
648
Seven Segment
497
Tongue-twisters
589600
United States
290
π
253