Abundant Numbers
450th39th
Abundant Numbers (Long)
202nd35th
Arithmetic Numbers
30th
Catalan Numbers
234th
Collatz
95th
532nd
Cubes
42nd
Diamonds
19th
Divisors
412th46th
Emirp Numbers
73rd
Emirp Numbers (Long)
38th
Evil Numbers
1,068th
Evil Numbers (Long)
173rd25th
Fibonacci
419th
200th95th
Fizz Buzz
144th52nd70th420th276th69th158th
Foo Fizz Buzz Bar
1st
Fractions
95th
Happy Numbers
372nd
Happy Numbers (Long)
48th26th
215th
Intersection
30th
Leap Years
58th
232nd32nd
Lucky Numbers
105th
Niven Numbers
46th
Niven Numbers (Long)
1st
Odious Numbers
812th
Odious Numbers (Long)
442nd38th
Ordinal Numbers
35th
Pascal’s Triangle
275th61st
Pernicious Numbers
76th
Pernicious Numbers (Long)
35th
Prime Numbers
24th
Prime Numbers (Long)
233rd1st
Quine
84th
Recamán
324th44th
Tongue-twisters
56th
Tower of Hanoi
88th
√2
22nd