Abundant Numbers
28th33rd447th87th
Arabic to Roman
15th
Collatz
41st
Diamonds
33rd
Divisors
32nd109th
110th
Emirp Numbers
48th
92nd
Evil Numbers
39th63rd759th130th
Evil Numbers (Long)
31st34th424th61st
Fibonacci
76th81st1,787th244th
Fizz Buzz
34th121st2,017th243rd
Foo Fizz Buzz Bar
26th615th55th
Fractions
21st
Happy Numbers
57th
Happy Numbers (Long)
37th
Intersection
24th
ISBN
20th
Leap Years
31st42nd
51st
Look and Say
25th
Niven Numbers
34th65th
85th
Odious Numbers
54th319th105th
Pangram Grep
13th35th284th63rd
Pascal’s Triangle
29th505th
Pernicious Numbers
38th36th495th107th
Prime Numbers
23rd78th500th138th
Prime Numbers (Long)
25th35th254th77th
Reverse Polish Notation
20th
Rock-paper-scissors-Spock-lizard
13th15th
44th
Roman to Arabic
29th