Abundant Numbers
657
Arabic to Roman
137580
Diamonds
491
Emirp Numbers
445
Emojify
Evil Numbers
726
Fibonacci
932
Fizz Buzz
833
ISBN
494
Leap Years
650
Odious Numbers
751
Ordinal Numbers
527
Pangram Grep
679
Prime Numbers
603
Rock-paper-scissors-Spock-lizard
170
Seven Segment
403
Spelling Numbers
225
United States
φ
700