Arabic to Roman
983
Christmas Trees
537
Divisors
922
1,000
Evil Numbers
831
Fibonacci
864
934
585
Happy Numbers
781
Leap Years
934
Niven Numbers
696
Odious Numbers
970
Pascalβs Triangle
750
Pernicious Numbers
887
Prime Numbers
830
1,000
613
Prime Numbers (Long)
1,000
Quine
615
966
946
956
Roman to Arabic
Spelling Numbers
1,000
Ξ»
186
Ο
926
846
951
Ο
897
773
844
Ο
758
β2
841
π
891
945
808
676
607