24 Game
10th
Abundant Numbers
24th22nd
Abundant Numbers (Long)
20th
Arithmetic Numbers
15th
Arrows
16th
Ascending Primes
20th
Collatz
27th
Day of Week
12th
Divisors
38th
Emirp Numbers
24th
Emirp Numbers (Long)
21st
Evil Numbers
53rd
Evil Numbers (Long)
47th
Factorial Factorisation
16th
Fibonacci
40th
Fizz Buzz
46th
Foo Fizz Buzz Bar
13th
Happy Numbers
38th
Happy Numbers (Long)
39th
ISBN
36th
Leap Years
40th
Niven Numbers
38th
Niven Numbers (Long)
35th
Odious Numbers
42nd
Odious Numbers (Long)
44th
Pangram Grep
27th
ROT13
13th
Transpose Sentence
26th
United States
8th