Abundant Numbers
638
686
660
Arabic to Roman
394
450
Christmas Trees
675
Collatz
716
753
Cubes
462
Diamonds
792
513
Divisors
795
698
917
Emojify
367
Evil Numbers
770
Fibonacci
755
664
719550
934
Fizz Buzz
379928631422660865726533848636
Happy Numbers
386
Leap Years
687
544
662
Look and Say
502
Morse Encoder
288
Niven Numbers
644
744
Odious Numbers
783
Ordinal Numbers
624
Pascal’s Triangle
687
Pernicious Numbers
395
Prime Numbers
519
740
Quine
946
Rule 110
435
Seven Segment
514
Sierpiński Triangle
417
Tongue-twisters
368
π
187
𝑒
154