Abundant Numbers
6th
8th
69th
Abundant Numbers (Long)
6th
7th
37th
Arithmetic Numbers
2nd
23rd
ASCII Table
3rd
7th
8th28th
176th
Calendar
1st
Card Number Validation
97th
Catalan Numbers
17th8th
13th
5th23rd
1st
1st
31st
Christmas Trees
20th
274th
Collatz
8th
5th3rd
165th
Day of Week
5th
1st
1st
1st10th
1st
31st
Diamonds
108th
Divisors
56th20th
1st
43rd45th
30th22nd1st
25th
Evil Numbers (Long)
6th
26th
40th18th
202nd
Factorial Factorisation
35th
Farey Sequence
154th
Fibonacci
13th42nd4th1st2nd28th20th1st20th1st1st41st34th26th47th8th1st81st1st25th69th74th
66th
Fizz Buzz
2,429th
Foo Fizz Buzz Bar
839th
Fractions
3rd
4th
16th
1st
1st
1st
Gray Code Decoder
1st
1st8th
50th
Gray Code Encoder
9th
1st
1st
Happy Numbers
158th
Happy Numbers (Long)
43rd
Hexdump
4th
Inventory Sequence
12th
86th
ISBN
6th
Leap Years
13th
14th25th
68th
ln 2
1st
Look and Say
1st6th2nd7th7th1st17th
4th1st36th80th
11th
Medal Tally
7th
125th
Niven Numbers (Long)
4th
35th1st
56th
Number Spiral
196th
Odious Numbers
1st
181st
Odious Numbers (Long)
6th
1st
40th
130th
Ordinal Numbers
3rd
6th
193rd
29th
Pangram Grep
10th
1st14th
69th
Pascal’s Triangle
41st
15th
1st
Pernicious Numbers
1st
211th
Pernicious Numbers (Long)
7th
96th
Prime Numbers
1st
1st1st
487th
Prime Numbers (Long)
1st
1st1st
220th
Recamán
169th
Repeating Decimals
4th
53rd
ROT13
76th
Scrambled Sort
5th
9th
14th
Smith Numbers
111th
Time Distance
206th
Transpose Sentence
134th
United States
352nd
Van Eck Sequence
143rd
π
89th
τ
71st
φ
10th
63rd
10th
105th
27th
√2
6th
62nd
16th
1st
22nd
𝑒
9th6th
8th
6th16th
9th
1st
25th