Abundant Numbers
804
785
Abundant Numbers (Long)
885
931
Arithmetic Numbers
922
ASCII Table
918
686
Card Number Validation
691
Catalan Numbers
899848
827
896
973
928
Collatz
894
929
913
Day of Week
882
878
873824
959
708
Divisors
841868
920
936625836
948
984
Evil Numbers (Long)
839
840824
850
Factorial Factorisation
755
Farey Sequence
577
Fibonacci
893761952963959821916938839951865684765
960493987606870876
835
Fractions
879
858
678
969
990
Happy Numbers
769
Happy Numbers (Long)
885
Inventory Sequence
868
ISBN
705
Leap Years
766
811
902
Look and Say
925
884782784
917693809
923
Medal Tally
400
519
Niven Numbers (Long)
904
852
905
Number Spiral
318
Odious Numbers
969
852
Odious Numbers (Long)
839
965933
848
Ordinal Numbers
851
724
535
Pangram Grep
907
869
910
Pascalβs Triangle
750
975
Pernicious Numbers
916
752
Pernicious Numbers (Long)
908
872
Prime Numbers
1,0001,000
654
Prime Numbers (Long)
1,0001,000
702
RecamΓ‘n
828
ROT13
941
Scrambled Sort
767
732
925
Smith Numbers
701
Time Distance
197
Transpose Sentence
737
Van Eck Sequence
751
π
757900
722
898958
782
755