Abundant Numbers
1,976th
83rd
Diamonds
866th
Divisors
1,252nd18th
Emirp Numbers
388th
Evil Numbers
2,076th1st
Evil Numbers (Long)
1st
Fibonacci
3,807th
7,794th
3,827th1st
Fizz Buzz
21st457th
Foo Fizz Buzz Bar
92nd
Fractions
834th124th
Happy Numbers
1,143rd298th
Happy Numbers (Long)
805th2nd
ISBN
68th
Kolakoski Sequence
1,090th1st
Leap Years
1,199th
669th162nd
Look and Say
425th38th
Niven Numbers
459th
Niven Numbers (Long)
2nd
Odious Numbers
3,011th1st
Odious Numbers (Long)
1st
Ordinal Numbers
713th
Pangram Grep
3rd
Pascal’s Triangle
1st
Pernicious Numbers
21st
Pernicious Numbers (Long)
176th
Prime Numbers
1st
Prime Numbers (Long)
823rd
1st
Reverse Polish Notation
572nd
Smith Numbers
601st
Spelling Numbers
226th
Transpose Sentence
64th
Van Eck Sequence
740th7th