Abundant Numbers
11th
156th
Abundant Numbers (Long)
7th
99th
Arithmetic Numbers
75th
ASCII Table
4th
183rd
Card Number Validation
101st
Catalan Numbers
14th8th
9th
21st
1st
25th
Collatz
8th
3rd
207th
Day of Week
4th
10th
1st
9th14th
80th
26th
Divisors
53rd19th
1st
41st46th27th
1st
124th
Evil Numbers (Long)
5th
24th39th
184th
Factorial Factorisation
50th
Farey Sequence
145th
Fibonacci
13th40th54th1st1st26th25th1st16th23rd
36th30th44th
1st75th1st23rd65th71st
64th
Fractions
3rd
7th
16th
62nd
1st
Happy Numbers
199th
Happy Numbers (Long)
84th
Inventory Sequence
90th
ISBN
6th
Leap Years
12th
20th
60th
Look and Say
4th
9th5th
17th
1st32nd112th
16th
Medal Tally
5th
116th
Niven Numbers (Long)
4th
32nd
68th
Number Spiral
187th
Odious Numbers
1st
163rd
Odious Numbers (Long)
6th
1st40th
117th
Ordinal Numbers
6th
280th
24th
Pangram Grep
10th
13th
127th
Pascal’s Triangle
40th
47th
Pernicious Numbers
1st
200th
Pernicious Numbers (Long)
4th
95th
Prime Numbers
1st1st
497th
Prime Numbers (Long)
1st1st
238th
Recamán
186th
ROT13
89th
Scrambled Sort
4th
9th
43rd
Smith Numbers
116th
Time Distance
199th
Transpose Sentence
139th
Van Eck Sequence
156th
√2
127th
𝑒
9th7th
5th
5th17th
149th
22nd