12 Days of Christmas
20th
Arabic to Roman
23rd
Divisors
27th
Emirp Numbers
24th
Emojify
10th
Evil Numbers
28th
Fibonacci
53rd
Fizz Buzz
157th
Happy Numbers
35th
Intersection
10th
Leap Years
46th
Niven Numbers
36th
Odious Numbers
26th
Pascal’s Triangle
39th
Pernicious Numbers
32nd
Prime Numbers
62nd
Seven Segment
17th
π
38th