Arabic to Roman
984
Christmas Trees
541
Divisors
922
1,000
Evil Numbers
831
Fibonacci
864
934
689
Happy Numbers
841
Leap Years
935
Niven Numbers
732
Odious Numbers
970
Pascalβs Triangle
750
Pernicious Numbers
887
Prime Numbers
830
1,000
674
Prime Numbers (Long)
1,000
Quine
615
966
946
956
Roman to Arabic
Spelling Numbers
1,000
Ξ»
500
Ο
992
849
951
Ο
992
778
846
Ο
765
β2
924
π
896
958
820
682
609