Abundant Numbers
450
688720
Abundant Numbers (Long)
709
Arithmetic Numbers
514
808751
Catalan Numbers
680
Christmas Trees
610
Collatz
677
775795
CSS Colors
227
Day of Week
825
Divisors
675
891830
Emojify
355
Evil Numbers
499
755591
Fibonacci
549
789544
Fizz Buzz
854
929
Foo Fizz Buzz Bar
724540900474
Leap Years
638
633
Morse Encoder
213
Odious Numbers
498
726605
Pangram Grep
435
Prime Numbers
555
422
Seven Segment
409
Tongue-twisters
575
United States
147
√2
707