Abundant Numbers
709
706
699
Arabic to Roman
503
649
Christmas Trees
716
Collatz
756
Cubes
701
Diamonds
847
626
Divisors
822
750
983
Emojify
331
Evil Numbers
784
Fibonacci
793
706
733571
947
Fizz Buzz
218390947651443476875763549935657
Happy Numbers
508
Leap Years
711
583
672
Look and Say
556
Morse Encoder
433
Niven Numbers
671
759
Odious Numbers
800
Ordinal Numbers
786
Pascal’s Triangle
761
Pernicious Numbers
404
Prime Numbers
566
755
Quine
969
Rule 110
519
Seven Segment
721
Sierpiński Triangle
442
Tongue-twisters
652
π
87
𝑒
64