Abundant Numbers
26th
Abundant Numbers (Long)
19th
Arrows
6th
Ascending Primes
7th
Divisors
25th
Evil Numbers
18th
Evil Numbers (Long)
13th
Fibonacci
68th
Fizz Buzz
87th
Niven Numbers
36th
Niven Numbers (Long)
22nd
Odious Numbers
17th
Odious Numbers (Long)
18th
Prime Numbers
27th
Prime Numbers (Long)
15th