12 Days of Christmas
10th
99 Bottles of Beer
15th
10th
Arabic to Roman
10th
7th
Christmas Trees
17th29th
11th
Divisors
33rd40th
11th
Emirp Numbers
10th20th
13th
Evil Numbers
45th30th
21st
Fibonacci
757th
38th43rd
67th
Fizz Buzz
9th
577th33rd
Happy Numbers
30th18th
18th
Morse Decoder
13th
Morse Encoder
11th
10th
Niven Numbers
36th
Odious Numbers
39th31st
24th
Pangram Grep
15th
17th
Pascal’s Triangle
32nd
Pernicious Numbers
29th
Prime Numbers
129th86th24th35th587th19th
Quine
1st
79th5th
35th
Roman to Arabic
122nd
24th
Seven Segment
12th
10th
Sierpiński Triangle
17th
28th
Spelling Numbers
12th
π
50th16th483rd29th
τ
39th12th
19th
φ
37th16th
24th
𝑒
35th18th
30th