Abundant Numbers
639
686
660
Arabic to Roman
396
451
Christmas Trees
677
Collatz
718
Cubes
463
Diamonds
780
513
Divisors
796
699
917
Emojify
367
Evil Numbers
770
Fibonacci
756
665
720551
935
Fizz Buzz
379929625422464865726533848637
Happy Numbers
386
Leap Years
688
545
662
Look and Say
503
Morse Encoder
289
Niven Numbers
645
745
Odious Numbers
784
Ordinal Numbers
615
Pascal’s Triangle
688
Pernicious Numbers
395
Prime Numbers
520
741
Quine
947
Rule 110
436
Seven Segment
508
Sierpiński Triangle
417
Tongue-twisters
369
π
187
𝑒
154