Arabic to Roman
Christmas Trees
649
Cubes
628
Diamonds
576
Divisors
904
849
Emirp Numbers
659
690
Evil Numbers
892
724
Fibonacci
934
812
Fizz Buzz
929
Happy Numbers
706
Leap Years
831
618
Leyland Numbers
824
Niven Numbers
746
848
Odious Numbers
870
728
Ordinal Numbers
906
Pangram Grep
814
Pascal’s Triangle
956
Pernicious Numbers
686
570
Prime Numbers
871
902
Prime Numbers (Long)
679
Rock-paper-scissors-Spock-lizard
489
Roman to Arabic
Sierpiński Triangle
545
π
647
τ
607
φ
697
459
√2
707
525
𝑒
700
686