Abundant Numbers
807
785
Abundant Numbers (Long)
876
931
Arithmetic Numbers
923
ASCII Table
919
687
Card Number Validation
692
Catalan Numbers
900853
829
898
974
929
Collatz
895
930
913
Day of Week
882
878
892
825825
961
710
Divisors
842868
920
937625836
949
984
Evil Numbers (Long)
839
842824
851
Factorial Factorisation
756
Farey Sequence
578
Fibonacci
893761952964960821918938839952
865684765
960494987606871876
836
Fractions
881
861
679
970
991
Happy Numbers
769
Happy Numbers (Long)
885
Inventory Sequence
869
ISBN
705
Leap Years
767
812
902
Look and Say
926
884783
785
919694809
907
Medal Tally
402
519
Niven Numbers (Long)
904
852
905
Number Spiral
319
Odious Numbers
970
852
Odious Numbers (Long)
839
967933
849
Ordinal Numbers
851
724
535
Pangram Grep
909
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
766
734
927
Smith Numbers
702
Time Distance
198
Transpose Sentence
739
Van Eck Sequence
751
√2
875
𝑒
757900
723
898958
783
755