Abundant Numbers
694
702
700
Arabic to Roman
478
631
Christmas Trees
682
Collatz
728
752Cubes
663
Diamonds
801
613
Divisors
794
714
966
Emojify
322
Evil Numbers
769
Fibonacci
770
719
548
660
934
Fizz Buzz
208
382
930
631
660
867
743
424
535
929
637
Happy Numbers
497
Leap Years
687
561
662
Look and Say
515
Morse Encoder
423
Niven Numbers
646
746
Odious Numbers
782
Ordinal Numbers
765
Pascal’s Triangle
740
Pernicious Numbers
394
Prime Numbers
531
739
Quine
945
Rule 110
506
Seven Segment
702
Sierpiński Triangle
440
Tongue-twisters
647
π
85
𝑒
62