Abundant Numbers
2,053rd
87th
Diamonds
956th
Divisors
1,322nd19th
Emirp Numbers
400th
Evil Numbers
2,204th1st
Evil Numbers (Long)
1st
Fibonacci
3,981st
8,353rd
3,998th1st
Fizz Buzz
23rd477th
Foo Fizz Buzz Bar
104th
Fractions
894th143rd
Happy Numbers
1,242nd338th
Happy Numbers (Long)
896th27th
ISBN
71st
Kolakoski Sequence
1,170th1st
Leap Years
1,245th
715th178th
Look and Say
454th41st
Niven Numbers
452nd
Niven Numbers (Long)
2nd
Odious Numbers
3,230th1st
Odious Numbers (Long)
1st
Ordinal Numbers
733rd
Pangram Grep
3rd
Pascal’s Triangle
1st
Pernicious Numbers
25th
Pernicious Numbers (Long)
219th
Prime Numbers
2,317th
1,214th
1,728th1st785th
Prime Numbers (Long)
933rd
1st
Reverse Polish Notation
614th
Smith Numbers
685th
Spelling Numbers
230th
Transpose Sentence
77th
Van Eck Sequence
806th7th