Abundant Numbers
1,953rd
12th
Diamonds
1,065th
Divisors
1,694th19th
Emirp Numbers
523rd
Evil Numbers
2,283rd1st
Evil Numbers (Long)
1st
Fibonacci
3,791st
8,388th
4,058th1st
Fizz Buzz
134th16th
Foo Fizz Buzz Bar
5th
Fractions
959th172nd
Happy Numbers
1,259th1st
Happy Numbers (Long)
1,019th16th
ISBN
54th
Kolakoski Sequence
1,180th1st
Leap Years
1,305th
772nd9th
Look and Say
493rd57th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
3,279th1st
Odious Numbers (Long)
1st
Ordinal Numbers
916th
Pangram Grep
27th
Pascal’s Triangle
1st
Pernicious Numbers
25th
Pernicious Numbers (Long)
270th
Prime Numbers
2,240th
1,474th
1,862nd1st994th
Prime Numbers (Long)
959th
1st
Reverse Polish Notation
770th
Smith Numbers
786th
Spelling Numbers
272nd
Transpose Sentence
73rd
Van Eck Sequence
815th7th