Abundant Numbers
1,929th
80th
Diamonds
859th
Divisors
1,227th18th
Emirp Numbers
385th
Evil Numbers
2,017th1st
Evil Numbers (Long)
1st
Fibonacci
3,732nd
7,673rd
3,747th1st
Fizz Buzz
18th449th
Foo Fizz Buzz Bar
87th
Fractions
810th122nd
Happy Numbers
1,116th305th
Happy Numbers (Long)
791st2nd
ISBN
63rd
Kolakoski Sequence
1,067th1st
Leap Years
1,173rd
651st154th
Look and Say
413th38th
Niven Numbers
376th
Niven Numbers (Long)
2nd
Odious Numbers
2,937th1st
Odious Numbers (Long)
1st
Ordinal Numbers
689th
Pangram Grep
3rd
Pascalβs Triangle
1st
Pernicious Numbers
20th
Pernicious Numbers (Long)
164th
Prime Numbers
1st
Prime Numbers (Long)
792nd
1st
Reverse Polish Notation
558th
Smith Numbers
592nd
Spelling Numbers
221st
Transpose Sentence
58th
Van Eck Sequence
719th7th