Abundant Numbers
648
Abundant Numbers (Long)
726
Arithmetic Numbers
724
ASCII Table
316
Catalan Numbers
43
Collatz
764
Divisors
733
Emojify
225
Evil Numbers
589
Fibonacci
758
Fizz Buzz
828
Happy Numbers
401
ISBN
501
Leap Years
520673767
Look and Say
732
Niven Numbers
713
Niven Numbers (Long)
437
832
Odious Numbers
621
Odious Numbers (Long)
613
Prime Numbers
626
Quine
483
Rijndael S-box
119
Rock-paper-scissors-Spock-lizard
431
Tongue-twisters
821
Vampire Numbers
109
γ
249
π
106
74
φ
71