12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Catalan Numbers
Collatz
CSS Colors
Day of Week
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
Leap Years
Look and Say
Morse Decoder
Morse Encoder
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
Prime Numbers (Long)
Quine
Roman to Arabic
Smith Numbers
Tongue-twisters
United States
Ο
20th
10th
18th
12th
97th
57th
36th
19th
12th
16th
14th
10th
24th
8th
15th
45th
22nd
55th
6th
66th
168th
82nd
7th
38th
33rd
25th
19th
16th
53rd
45th
60th
17th
386th
12th
36th
72nd
32nd
26th
35th
9th
15th
5th
25th
6th
7th
14thπ
14th
11th
17th
15th
60th
31st
36th
7th
10th
19th
17th
23rd
22nd
10th
15th
33rd
21st
49th
16th
47th
120th
65th
6th
28th
29th
26th
20th
21st
50th
46th
43rd
23rd
303rd
19th
50th
75th
30th
26th
30th
7th
17th
5th
23rd
6th
9th
16th