Abundant Numbers
809
785
Abundant Numbers (Long)
878
917
Arithmetic Numbers
912
ASCII Table
905
687
Card Number Validation
694
Catalan Numbers
901854
830
898
974
931
Collatz
897
923
847
Day of Week
886
888
901
844828
962
712
Divisors
842869
923
938625836
949
985
Evil Numbers (Long)
842
842824
852
Factorial Factorisation
757
Farey Sequence
578
Fibonacci
894762953965961822920939843954
866685765
961494987607871877
837
Fractions
882
815
681
971
991
Happy Numbers
769
Happy Numbers (Long)
885
Inventory Sequence
870
ISBN
691
Leap Years
752
813
902
Look and Say
927
890784
786
920694809
925
Medal Tally
402
520
Niven Numbers (Long)
909
852
906
Number Spiral
319
Odious Numbers
971
852
Odious Numbers (Long)
842
968933
849
Ordinal Numbers
849
716
536
Pangram Grep
912
834
911
Pascal’s Triangle
750
976
Pernicious Numbers
921
753
Pernicious Numbers (Long)
911
873
Prime Numbers
1,0001,000
654
Prime Numbers (Long)
1,0001,000
703
Recamán
829
ROT13
945
Scrambled Sort
772
736
931
Smith Numbers
702
Time Distance
198
Transpose Sentence
741
Van Eck Sequence
752
√2
875
𝑒
757900
723
898958
783
756