Abundant Numbers (Long)
6th
Ascending Primes
3rd
Catalan Numbers
1st
Day of Week
1st
Divisors
1st
Emirp Numbers
12th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
18th
Farey Sequence
1st
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Fractions
1st
Happy Numbers
1st
Happy Numbers (Long)
1st
Intersection
1st
Levenshtein Distance
1st
Leyland Numbers
8th
ln 2
1st
Lucky Tickets
1st
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
80th
PalindromemordnilaP
1st
Pangram Grep
1st
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Repeating Decimals
1st
ROT13
1st
Rule 110
12th
Scrambled Sort
1st
Tower of Hanoi
1st
Trinomial Triangle
1st
Van Eck Sequence
1st
π
1st
φ
1st
√2
1st
𝑒
1st