Abundant Numbers
6th
16th
68th
Abundant Numbers (Long)
6th
16th
36th
Arithmetic Numbers
2nd
27th
ASCII Table
3rd
7th
8th
179th
Calendar
1st
Card Number Validation
96th
Catalan Numbers
16th7th
12th
22nd
1st
1st
29th
Christmas Trees
20th
273rd
Collatz
7th
3rd
165th
Day of Week
5th
1st
1st
1st10th
1st
28th
Diamonds
106th
Divisors
55th19th
1st
42nd45th
29th22nd1st
1st
Evil Numbers (Long)
6th
24th
39th
198th
Factorial Factorisation
33rd
Farey Sequence
153rd
Fibonacci
13th41st4th1st2nd27th18th1st18th1st1st38th34th25th47th7th1st80th1st24th68th73rd
64th
Fizz Buzz
2,414th
Foo Fizz Buzz Bar
831st
Fractions
3rd
4th
16th
1st
1st
1st
Gray Code Decoder
1st
1st7th
48th
Gray Code Encoder
8th
1st
1st
Happy Numbers
156th
Happy Numbers (Long)
40th
Hexdump
4th
Inventory Sequence
83rd
ISBN
6th
Leap Years
11th
11th23rd
64th
ln 2
111th
Look and Say
1st6th2nd7th7th1st17th
3rd1st35th78th
11th
Medal Tally
7th
121st
Niven Numbers (Long)
4th
34th1st
54th
Number Spiral
194th
Odious Numbers
1st
176th
Odious Numbers (Long)
6th
1st
40th
126th
Ordinal Numbers
3rd
6th
191st
27th
Pangram Grep
9th
1st13th
69th
Pascal’s Triangle
41st
14th
1st
Pernicious Numbers
1st
206th
Pernicious Numbers (Long)
6th
93rd
Prime Numbers
1st
1st
483rd
Prime Numbers (Long)
1st
1st
218th
Recamán
169th
Repeating Decimals
4th
51st
ROT13
73rd
Scrambled Sort
5th
9th
14th
Smith Numbers
107th
Time Distance
203rd
Transpose Sentence
132nd
United States
350th
Van Eck Sequence
140th
π
88th
τ
70th
φ
9th
62nd
9th
103rd
30th
√2
8th
62nd
15th
123rd
24th
𝑒
9th6th
8th
6th16th
9th
122nd
24th