Abundant Numbers
28th
Abundant Numbers (Long)
21st
Arrows
10th
Ascending Primes
8th
Divisors
29th
Evil Numbers
19th
Evil Numbers (Long)
14th
Fibonacci
77th
Fizz Buzz
90th
Niven Numbers
40th
Niven Numbers (Long)
24th
Odious Numbers
19th
Odious Numbers (Long)
18th
Prime Numbers
31st
Prime Numbers (Long)
17th