Abundant Numbers
10th
147th
Abundant Numbers (Long)
6th
94th
Arithmetic Numbers
71st
ASCII Table
4th
173rd
Card Number Validation
93rd
Catalan Numbers
14th8th
8th
21st
1st
25th
Collatz
7th
195th
Day of Week
4th
7th
1st
10th14th
74th
24th
Divisors
52nd19th
1st
39th42nd25th
1st
118th
Evil Numbers (Long)
4th
21st35th
176th
Factorial Factorisation
48th
Farey Sequence
137th
Fibonacci
13th38th51st1st1st25th23rd1st14th21st
35th28th41st
1st72nd1st21st63rd66th
59th
Fractions
3rd
6th
14th
59th
1st
Happy Numbers
187th
Happy Numbers (Long)
81st
Inventory Sequence
82nd
ISBN
6th
Leap Years
12th
17th
54th
Look and Say
3rd
8th4th
17th
1st31st103rd
15th
Medal Tally
5th
108th
Niven Numbers (Long)
3rd
27th
60th
Number Spiral
173rd
Odious Numbers
1st
153rd
Odious Numbers (Long)
5th
1st33rd
109th
Ordinal Numbers
6th
269th
23rd
Pangram Grep
9th
116th
Pascal’s Triangle
37th
44th
Pernicious Numbers
1st
187th
Pernicious Numbers (Long)
3rd
87th
Prime Numbers
1st1st
480th
Prime Numbers (Long)
1st1st
226th
Recamán
176th
ROT13
81st
Scrambled Sort
4th
9th
37th
Smith Numbers
109th
Time Distance
190th
Transpose Sentence
128th
Van Eck Sequence
146th
√2
116th
𝑒
9th7th
5th
5th13th
137th
22nd