12 Days of Christmas
91st
99 Bottles of Beer
27th
Abundant Numbers
67th17th91st
23rd
64th
Abundant Numbers (Long)
53rd19th71st
23rd
65th
Arabic to Roman
30th
Arithmetic Numbers
26th
ASCII Table
78th44th
196th
Catalan’s Constant
15th16th
15th
Christmas Trees
48th
Collatz
58th
552nd
CSS Colors
8th
Day of Week
29th30th
Diamonds
21st
Divisors
182nd45th
17th
54th
24th
Emirp Numbers
46th
Emirp Numbers (Long)
29th
Emojify
45th
Evil Numbers
70th
419th
Evil Numbers (Long)
101st57th
334th
Factorial Factorisation
15th
Farey Sequence
25th
Fibonacci
386th280th
205th
Fizz Buzz
32nd159th
Foo Fizz Buzz Bar
77th41st
Fractions
19th
Game of Life
25th
Happy Numbers
62nd
90th
Happy Numbers (Long)
35th
33rd
Hexdump
26th
Intersection
46th
19th
ISBN
53rd44th
19th
32nd
Jacobi Symbol
34th
Leap Years
78th
Levenshtein Distance
17th
129th
Leyland Numbers
14th
ln 2
15th
Look and Say
17th
Lucky Numbers
16th
32nd
Niven Numbers
132nd
51st
Niven Numbers (Long)
51st
Odious Numbers
131st56th
Odious Numbers (Long)
82nd43rd
Ordinal Numbers
30th
Pascal’s Triangle
104th53rd
68th
Pernicious Numbers
69th
Polyominoes
15th
Prime Numbers
196th87th
115th240th
72nd
Prime Numbers (Long)
125th62nd
Quine
107th70th
83rd
15th
Recamán
46th
Repeating Decimals
12th
Rijndael S-box
33rd15th
Roman to Arabic
31st
44th
147th
Smith Numbers
28th
Spelling Numbers
31st
Time Distance
28th
Tongue-twisters
39th
Transpose Sentence
16th
Vampire Numbers
38th
π
17th
τ
15th
φ
25th
√2
17th10th24th35th39th31st14th52nd35th15th23rd13th11th27th15th16th7th48th31st31st8th67th112th63rd32nd8th21st21st40th18th52nd14th451st15th21st22nd53rd16th26th10th9th21st6th14th6th11th
𝑒
20th