Abundant Numbers
678
681
684
Arabic to Roman
459
631
Christmas Trees
664
Collatz
725
Cubes
650
Diamonds
763
609
Divisors
788
693
962
Emojify
318
Evil Numbers
769
Fibonacci
769
660
716543
932
Fizz Buzz
203377927624420463864734531926635
Happy Numbers
495
Leap Years
686
508
660
Look and Say
505
Morse Encoder
417
Niven Numbers
637
740
Odious Numbers
781
Ordinal Numbers
756
Pascal’s Triangle
739
Pernicious Numbers
393
Prime Numbers
531
740
Quine
945
Rule 110
501
Seven Segment
687
Sierpiński Triangle
429
Tongue-twisters
641
π
85
𝑒
62