Abundant Numbers
3rd
135th
Abundant Numbers (Long)
3rd
109th
Arithmetic Numbers
115th
ASCII Table
6th
Catalan Numbers
12th7th
12th
1st
22nd
Collatz
18th
107th
Day of Week
3rd
1st
16th
1st
18th
Divisors
43rd17th
1st
35th39th23rd1st
332nd
Evil Numbers (Long)
3rd
19th30th
228th
Factorial Factorisation
55th
Farey Sequence
109th
Fibonacci
12th37th8th1st1st23rd19th26th16th1st31st26th34th1st64th150th19th57th88th
62nd
Fractions
1st
1st
13th
1st
1st
ISBN
5th
Leap Years
12th
Look and Say
2nd
1st4th16th
π28th47th
9th
Medal Tally
4th
Niven Numbers (Long)
6th
23rd
243rd
Number Spiral
138th
Odious Numbers
1st
Odious Numbers (Long)
3rd
1st29th
198th
Ordinal Numbers
2nd
20th
Pangram Grep
7th
16th
Pascalβs Triangle
34th
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st1st
Prime Numbers (Long)
1st1st
RecamΓ‘n
123rd
Transpose Sentence
87th
Van Eck Sequence
97th
π
7th7th
5th
5th10th
86th
21st