12 Days of Christmas
64th
Abundant Numbers
47th
Abundant Numbers (Long)
38th
Catalan’s Constant
17th
Collatz
74th230th
Divisors
55th
Evil Numbers
93rd
Evil Numbers (Long)
74th
Fibonacci
4th1st
Fizz Buzz
337th
Happy Numbers
52nd217th
Happy Numbers (Long)
25th
Niven Numbers
67th
Odious Numbers
92nd
Odious Numbers (Long)
73rd
Ordinal Numbers
45th
Pangram Grep
31st
Pascal’s Triangle
24th583rd
Prime Numbers
119th
Prime Numbers (Long)
79th
Quine
28th91st
Recamán
17th249th
Repeating Decimals
146th