12 Days of Christmas
81st
99 Bottles of Beer
25th
Abundant Numbers
59th
71st
13th
41st
Abundant Numbers (Long)
43rd
55th
16th
27th
Arabic to Roman
27th
Arithmetic Numbers
ASCII Table
68th
141st
Catalan’s Constant
12th14th
10th
Christmas Trees
41st
Collatz
441st
CSS Colors
7th
Day of Week
26th22nd
Diamonds
Divisors
163rd42nd
12th
47th
20th
Emirp Numbers
36th
Emirp Numbers (Long)
14th
Emojify
37th
Evil Numbers
60th
353rd
Evil Numbers (Long)
87th
265th
Factorial Factorisation
12th
Farey Sequence
20th
Fibonacci
337th251st
175th
Fizz Buzz
31st147th
Foo Fizz Buzz Bar
69th36th
Fractions
13th
Game of Life
18th
Happy Numbers
72nd
Happy Numbers (Long)
29th
Hexdump
18th
Intersection
34th
16th
ISBN
45th41st
16th
21st
Jacobi Symbol
29th
Leap Years
66th
Levenshtein Distance
16th
92nd
Leyland Numbers
10th
ln 2
11th
Look and Say
Lucky Numbers
12th
24th
Niven Numbers
119th
40th
Niven Numbers (Long)
45th
Odious Numbers
112th44th
Odious Numbers (Long)
67th31st
Ordinal Numbers
28th
Pascal’s Triangle
93rd37th
53rd
Pernicious Numbers
53rd
Polyominoes
11th
Prime Numbers
174th70th
98th210th
69th
Prime Numbers (Long)
107th50th
Quine
95th63rd
57th
11th
Recamán
39th
Repeating Decimals
10th
Rijndael S-box
27th10th
Roman to Arabic
29th
36th
101st
Smith Numbers
15th
Spelling Numbers
25th
Time Distance
21st
Tongue-twisters
31st
Transpose Sentence
12th
Vampire Numbers
32nd
π
14th
τ
12th
φ
21st
√2
9th17th9th21st31st31st29th13th43rd34th14th23rd13th8th29th14th15th7th45th26th29th7th57th91st56th30th7th21st19th33rd15th46th14th436th12th19th21st52nd12th24th9th7th18th5th13th6th8th16th
𝑒
19th