Arabic to Roman
996
Christmas Trees
540
Divisors
921
1,000
Evil Numbers
830
Fibonacci
863
934
689Happy Numbers
841
Leap Years
935
Niven Numbers
732
Odious Numbers
969
Pascalβs Triangle
750
Pernicious Numbers
887
Prime Numbers
829
1,000
674Prime Numbers (Long)
1,000
Quine
615
966
945
954
Spelling Numbers
1,000
Ξ»
498
Ο
992
848
950
Ο
992
777
918
Ο
818
β2
924
π
895
958
820
872
609