Abundant Numbers
634
681
657
Arabic to Roman
391
450
Christmas Trees
664
Collatz
714
Cubes
458
Diamonds
763
509
Divisors
788
676
895
Emojify
357
Evil Numbers
769
Fibonacci
753
660
716543
932
Fizz Buzz
377926623420463863721531847635
Happy Numbers
384
Leap Years
673
492
660
Look and Say
491
Morse Encoder
284
Niven Numbers
637
740
Odious Numbers
781
Ordinal Numbers
615
Pascal’s Triangle
685
Pernicious Numbers
393
Prime Numbers
516
740
Quine
945
Rule 110
429
Seven Segment
505
Sierpiński Triangle
413
Tongue-twisters
369
π
186
𝑒
153