12 Days of Christmas
10th
99 Bottles of Beer
15th
10th
Arabic to Roman
10th
7th
Christmas Trees
17th29th
11th
Divisors
33rd40th
12th
Emirp Numbers
10th20th
13th
Evil Numbers
47th30th
21st
Fibonacci
774th
38th44th
73rd
Fizz Buzz
9th
597th33rd
Happy Numbers
30th19th
18th
Morse Decoder
13th
Morse Encoder
11th
10th
Niven Numbers
36th
Odious Numbers
40th31st
24th
Pangram Grep
15th
20th
Pascal’s Triangle
33rd
Pernicious Numbers
29th
Prime Numbers
131st86th24th35th606th19th
Quine
1st
81st5th
37th
Roman to Arabic
124th
27th
Seven Segment
12th
11th
Sierpiński Triangle
18th
28th
Spelling Numbers
12th
π
51st16th498th29th
τ
40th12th
19th
φ
38th16th
24th
𝑒
35th19th
30th