Abundant Numbers
53rd
Abundant Numbers (Long)
40th
Arithmetic Numbers
26th
Card Number Validation
10th
Catalan Numbers
43rd
Collatz
38th
Divisors
44th
Evil Numbers (Long)
31st
Factorial Factorisation
11th
Farey Sequence
16th
Fibonacci
80th
Fizz Buzz
113th
Gijswijt’s Sequence
11th
Happy Numbers
28th
Happy Numbers (Long)
24th
Intersection
15th
Inventory Sequence
16th
ISBN
21st
Jacobi Symbol
16th
Kaprekar Numbers
9th
Kolakoski Sequence
21st
Leap Years
47th
Leyland Numbers
24th
N Queens
8th
Niven Numbers
38th
Niven Numbers (Long)
25th
Odious Numbers
40th
Ordinal Numbers
16th
Pangram Grep
26th
Pascal’s Triangle
34th
Pernicious Numbers
50th
Prime Numbers
47th
Prime Numbers (Long)
33rd
Recamán
18th
Reverse Polish Notation
14th
Roman to Arabic
13th
Rule 110
17th
SI Units
7th
√2
66th