Abundant Numbers
574547560513
631
Arrows
475
Collatz
689
626
CSS Colors
83
Emirp Numbers
296
Evil Numbers
784
Fibonacci
932
Fizz Buzz
749
664
889515
Foo Fizz Buzz Bar
726
781
Fractions
621
Happy Numbers
483
Happy Numbers (Long)
608
ISBN
437
Niven Numbers
541
767
Odious Numbers
781
Ordinal Numbers
727
Pangram Grep
687
Pernicious Numbers
360
Prime Numbers
456
Prime Numbers (Long)
342
Quine
315672945
Recamán
417
Smith Numbers
392
Tongue-twisters
406
494
United States
152
√2
671
𝑒
665