Abundant Numbers
614607602513
657
Arrows
422
Collatz
689
691
CSS Colors
187
Emirp Numbers
360
Evil Numbers
784
Fibonacci
932
Fizz Buzz
749
664
973516
Foo Fizz Buzz Bar
730
982
Fractions
731
Happy Numbers
495
Happy Numbers (Long)
492
ISBN
559
Niven Numbers
541
767
Odious Numbers
781
Ordinal Numbers
708
Pangram Grep
810
Pernicious Numbers
360
Prime Numbers
456
Prime Numbers (Long)
342
Quine
439672945
Recamán
462
Smith Numbers
536
Tongue-twisters
586
748
United States
170
√2
671
𝑒
665