12 Days of Christmas
9th
99 Bottles of Beer
14th
10th
Arabic to Roman
7th
7th
Christmas Trees
16th
26th
10th
Divisors
29th
36th
11th
Emirp Numbers
9th
19th
12th
Evil Numbers
39th
27th
19th
Fibonacci
659th
30th
38th
62nd
Fizz Buzz
8th
470th
32nd
Happy Numbers
27th
15th
18th
Morse Decoder
12th
Morse Encoder
8th
10th
Niven Numbers
33rd
Odious Numbers
33rd
28th
22nd
Pangram Grep
14th
18th
Pascal’s Triangle
31st
Pernicious Numbers
26th
Prime Numbers
108th
71st
20th
29th
492nd
15th
Quine
1st
68th
4th
31st
Roman to Arabic
101st
22nd
Seven Segment
13th
10th
Sierpiński Triangle
15th
28th
Spelling Numbers
12th
π
39th
13th
380th
28th
τ
31st
9th
18th
φ
30th
13th
24th
𝑒
26th
13th
29th