Abundant Numbers
648
Abundant Numbers (Long)
727
Arithmetic Numbers
725
ASCII Table
313
Catalan Numbers
43
Collatz
765
Divisors
733
Emojify
225
Evil Numbers
589
Fibonacci
758
Fizz Buzz
826
Happy Numbers
401
ISBN
477
Leap Years
520673767
Look and Say
732
Niven Numbers
713
Niven Numbers (Long)
437
832
Odious Numbers
621
Odious Numbers (Long)
613
Prime Numbers
627
Quine
483
Rijndael S-box
119
Rock-paper-scissors-Spock-lizard
431
Tongue-twisters
821
Vampire Numbers
108
γ
248
π
106
74
φ
71