Abundant Numbers
36th
Abundant Numbers (Long)
28th
Arithmetic Numbers
23rd
Ascending Primes
123rd
ASCII Table
95th
Christmas Trees
37th
Collatz
89th14th14th133rd
Day of Week
120th
Diamonds
27th
60th
Divisors
47th
41st1st
Emirp Numbers
100th
Emirp Numbers (Long)
50th
Evil Numbers
1st
Evil Numbers (Long)
33rd
Fibonacci
151st1st108th149th
Fizz Buzz
31st
54th
Fractions
104th
Happy Numbers
204th
Happy Numbers (Long)
121st
Leap Years
69th
13th
Niven Numbers
36th
Niven Numbers (Long)
37th
Number Spiral
81st
Pangram Grep
216th
Pascal’s Triangle
119th
Pernicious Numbers
182nd
Pernicious Numbers (Long)
70th
Prime Numbers
125th
240th
Prime Numbers (Long)
90th
48th