Abundant Numbers
807
785
Abundant Numbers (Long)
876
931
Arithmetic Numbers
923
ASCII Table
919
687
Card Number Validation
693
Catalan Numbers
900853
829
898
974
929
Collatz
896
930
847
Day of Week
882
881
895
825825
961
710
Divisors
842869
921
937625836
949
984
Evil Numbers (Long)
839
842824
851
Factorial Factorisation
756
Farey Sequence
578
Fibonacci
894762953964961821919939841953
865684765
961494987606871876
836
Fractions
881
864
679
970
991
Happy Numbers
769
Happy Numbers (Long)
885
Inventory Sequence
869
ISBN
705
Leap Years
767
812
902
Look and Say
926
887783
785
919694809
907
Medal Tally
402
519
Niven Numbers (Long)
905
852
906
Number Spiral
319
Odious Numbers
970
852
Odious Numbers (Long)
839
967933
849
Ordinal Numbers
857
724
535
Pangram Grep
910
871
911
Pascal’s Triangle
750
975
Pernicious Numbers
919
752
Pernicious Numbers (Long)
910
872
Prime Numbers
1,0001,000
654
Prime Numbers (Long)
1,0001,000
702
Recamán
828
ROT13
943
Scrambled Sort
772
734
928
Smith Numbers
702
Time Distance
198
Transpose Sentence
739
Van Eck Sequence
751
√2
875
𝑒
757900
723
898958
783
755