Abundant Numbers
694
Abundant Numbers (Long)
792
Arithmetic Numbers
813
ASCII Table
338
Catalan Numbers
49
Collatz
819
Divisors
778
Emojify
243
Evil Numbers
623
Fibonacci
791
Fizz Buzz
848
Happy Numbers
429
ISBN
554
Leap Years
893707821
Look and Say
798
Niven Numbers
764
Niven Numbers (Long)
715
909
Odious Numbers
661
Odious Numbers (Long)
667
Prime Numbers
662
Quine
514
Rijndael S-box
188
Rock-paper-scissors-Spock-lizard
471
Tongue-twisters
872
Vampire Numbers
122
γ
277
π
164
78
φ
77