Abundant Numbers
638
685
659
Arabic to Roman
394
449
Christmas Trees
674
Collatz
716
751
Cubes
462
Diamonds
790
512
Divisors
795
697
916
Emojify
367
Evil Numbers
770
Fibonacci
754
663
719549
934
Fizz Buzz
379928630422659865726533848636
Happy Numbers
386
Leap Years
687
544
661
Look and Say
501
Morse Encoder
288
Niven Numbers
643
744
Odious Numbers
783
Ordinal Numbers
624
Pascal’s Triangle
687
Pernicious Numbers
395
Prime Numbers
518
740
Quine
946
Rule 110
435
Seven Segment
513
Sierpiński Triangle
417
Tongue-twisters
368
π
187
𝑒
154