Abundant Numbers
3rd
50th
Abundant Numbers (Long)
3rd
26th
Arithmetic Numbers
19th
ASCII Table
2nd
138th
Card Number Validation
65th
Catalan Numbers
13th7th
8th
19th
1st
22nd
Collatz
7th
3rd
117th
Day of Week
4th
1st
14th
1st
20th
Divisors
46th18th
1st
36th39th23rd1st
1st
Evil Numbers (Long)
3rd
18th30th
154th
Factorial Factorisation
23rd
Farey Sequence
116th
Fibonacci
12th37th8th1st1st23rd19th1st12th1st32nd27th36th1st66th1st19th58th59th
55th
Fractions
3rd
2nd
13th
1st
1st
ISBN
5th
Leap Years
10th
17th
45th
Look and Say
2nd
1st4th16th
π28th50th
9th
Medal Tally
4th
92nd
Niven Numbers (Long)
3rd
25th
122nd
Number Spiral
149th
Odious Numbers
1st
135th
Odious Numbers (Long)
3rd
1st29th
91st
Ordinal Numbers
2nd
20th
Pangram Grep
8th
10th
160th
Pascalβs Triangle
34th
1st
Pernicious Numbers
1st
170th
Pernicious Numbers (Long)
1st
60th
Prime Numbers
1st1st
443rd
Prime Numbers (Long)
1st1st
210th
RecamΓ‘n
132nd
Transpose Sentence
99th
Van Eck Sequence
100th
π
8th7th
5th
5th10th
93rd
20th