12 Days of Christmas
24th128th
99 Bottles of Beer
184th24th13th143rd
Abundant Numbers
176th
Abundant Numbers (Long)
150th
Arabic to Roman
12th14th
23rd55th
Arithmetic Numbers
184th
Ascending Primes
124th
ASCII Table
18th10th
21st111th
Card Number Validation
149th
Catalan Numbers
249th
Christmas Trees
86th
Collatz
144th
Day of Week
52nd1st
204th
Diamonds
422nd
Divisors
858th
Emirp Numbers
257th
Emirp Numbers (Long)
129th
Evil Numbers
161st
Evil Numbers (Long)
49th
Factorial Factorisation
14th17th
55th
Farey Sequence
215th
Fibonacci
302nd
59th214th
Fizz Buzz
68th33rd431st
1st85th
Foo Fizz Buzz Bar
54th20th129th
23rd1st
Fractions
21st25th
110th
Game of Life
18th18th
65th
Happy Numbers
453rd
Happy Numbers (Long)
271st
Hexdump
15th9th
104th
ISBN
107th
Leap Years
77th
44th106th
ln 2
178th
Look and Say
158th
Lucky Numbers
177th
Mahjong
86th6th
Niven Numbers
332nd
Niven Numbers (Long)
162nd
Number Spiral
179th
Odious Numbers
121st
Odious Numbers (Long)
102nd
Ordinal Numbers
19th15th166th
8th
Pascal’s Triangle
280th
Pernicious Numbers
126th
Pernicious Numbers (Long)
75th
Prime Numbers
39th27th233rd50th52nd74th
Prime Numbers (Long)
32nd25th129th33rd17th210th
Roman to Arabic
23rd23rd
25th94th
ROT13
17th22nd
109th
Seven Segment
117th
Spelling Numbers
9th14th
43rd
Tongue-twisters
140th
Zodiac Signs
11th8th
24th
π
254th
τ
193rd
φ
194th
√2
257th
𝑒
299th