Abundant Numbers
18th
25th
Arabic to Roman
13th
133rd
Catalan Numbers
28th
Collatz
14th
Divisors
23rd
Emirp Numbers
25th
Evil Numbers
47th
36th
Evil Numbers (Long)
28th
Fibonacci
32nd
64th
Fizz Buzz
549th
290th
54th
Look and Say
11th
Niven Numbers
27th
Number Spiral
15th
Odious Numbers
32nd
Pascalβs Triangle
34th
Pernicious Numbers
33rd
Prime Numbers
1st
Prime Numbers (Long)
1st