Abundant Numbers
657
Abundant Numbers (Long)
739
Arithmetic Numbers
755
ASCII Table
329
Catalan Numbers
49
Collatz
771
Divisors
747
Emojify
230
Evil Numbers
592
Fibonacci
764
Fizz Buzz
831
Happy Numbers
407
ISBN
501
Leap Years
847692789
Look and Say
743
Niven Numbers
726
Niven Numbers (Long)
656
852
Odious Numbers
627
Odious Numbers (Long)
622
Prime Numbers
628
Quine
485
Rijndael S-box
173
Rock-paper-scissors-Spock-lizard
432
Tongue-twisters
820
Vampire Numbers
110
γ
247
π
154
74
φ
71