12 Days of Christmas
10th
99 Bottles of Beer
16th
11th
Arabic to Roman
10th
8th
Christmas Trees
17th29th
11th
Divisors
33rd40th
13th
Emirp Numbers
10th21st
13th
Evil Numbers
49th30th
21st
Fibonacci
788th
38th44th
73rd
Fizz Buzz
9th
614th33rd
Happy Numbers
31st19th
18th
Morse Decoder
13th
Morse Encoder
11th
10th
Niven Numbers
36th
Odious Numbers
42nd31st
25th
Pangram Grep
16th
21st
Pascal’s Triangle
33rd
Pernicious Numbers
31st
Prime Numbers
138th89th24th36th623rd19th
Quine
1st
83rd5th
37th
Roman to Arabic
124th
28th
Seven Segment
12th
11th
Sierpiński Triangle
18th
28th
Spelling Numbers
12th
π
54th17th511th29th
τ
45th13th
20th
φ
39th16th
24th
𝑒
37th19th
30th