12 Days of Christmas
10th
99 Bottles of Beer
15th
10th
Arabic to Roman
9th
7th
Christmas Trees
17th28th
10th
Divisors
30th39th
11th
Emirp Numbers
9th20th
13th
Evil Numbers
42nd28th
20th
Fibonacci
708th
33rd42nd
64th
Fizz Buzz
8th
536th32nd
Happy Numbers
29th18th
18th
Morse Decoder
12th
Morse Encoder
11th
10th
Niven Numbers
34th
Odious Numbers
35th29th
23rd
Pangram Grep
14th
18th
Pascal’s Triangle
32nd
Pernicious Numbers
27th
Prime Numbers
116th82nd21st33rd542nd17th
Quine
1st
73rd5th
33rd
Roman to Arabic
110th
23rd
Seven Segment
12th
10th
Sierpiński Triangle
16th
28th
Spelling Numbers
12th
π
44th16th428th29th
τ
36th12th
19th
φ
34th16th
24th
𝑒
31st18th
30th