Abundant Numbers
2,128th
101st
Diamonds
999th
Divisors
1,367th20th
Emirp Numbers
419th
Evil Numbers
2,273rd1st
Evil Numbers (Long)
1st
Fibonacci
4,126th
8,553rd
4,145th1st
Fizz Buzz
23rd483rd
Foo Fizz Buzz Bar
107th
Fractions
942nd150th
Happy Numbers
1,288th347th
Happy Numbers (Long)
930th27th
ISBN
76th
Kolakoski Sequence
1,214th1st
Leap Years
1,279th
793rd176th
Look and Say
477th41st
Niven Numbers
475th
Niven Numbers (Long)
2nd
Odious Numbers
3,312th1st
Odious Numbers (Long)
1st
Ordinal Numbers
761st
Pangram Grep
3rd
Pascal’s Triangle
1st
Pernicious Numbers
29th
Pernicious Numbers (Long)
245th
Prime Numbers
2,273rd
1,272nd
1,791st1st683rd
Prime Numbers (Long)
976th
1st
Reverse Polish Notation
628th
Smith Numbers
703rd
Spelling Numbers
240th
Transpose Sentence
85th
Van Eck Sequence
852nd8th