12 Days of Christmas
20th
Arabic to Roman
23rd
Divisors
28th
Emirp Numbers
24th
Emojify
10th
Evil Numbers
29th
Fibonacci
54th
Fizz Buzz
161st
Happy Numbers
36th
Intersection
11th
Leap Years
47th
Niven Numbers
37th
Odious Numbers
27th
Pascal’s Triangle
41st
Pernicious Numbers
34th
Prime Numbers
65th
Seven Segment
18th
π
40th