Abundant Numbers
Abundant Numbers (Long)
Arithmetic Numbers
Ascending Primes
ASCII Table
Christmas Trees
Collatz
78th11th10th150th
Day of Week
Diamonds
25th
Divisors
42nd
Emirp Numbers
Emirp Numbers (Long)
Evil Numbers
Evil Numbers (Long)
Fibonacci
143rd18th96th126th
Fizz Buzz
31st
Fractions
Happy Numbers
Happy Numbers (Long)
Leap Years
63rd
Niven Numbers
Niven Numbers (Long)
Number Spiral
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
116th
Prime Numbers (Long)
79th