Abundant Numbers
871
797
Abundant Numbers (Long)
971
954
Arithmetic Numbers
974
ASCII Table
984
696
Card Number Validation
730
Catalan Numbers
982945
898
961
1,000
970
Collatz
978
986
932
Day of Week
980
1,000
921
1,000
755
Divisors
870910
1,000
9856258401,000
1,000
Evil Numbers (Long)
938
870824
872
Factorial Factorisation
782
Farey Sequence
584
Fibonacci
9437899791,0001,0008529841,0009071,0008977047651,0005111,000636893914
882
Fractions
986
991
741
1,000
1,000
ISBN
793
Leap Years
818
846
915
Look and Say
982
1,000863845
1,000712831
964
Medal Tally
456
535
Niven Numbers (Long)
984
852
877
Number Spiral
331
Odious Numbers
1,000
870
Odious Numbers (Long)
938
1,000933
872
Ordinal Numbers
942
560
Pangram Grep
970
947
889
Pascalβs Triangle
750
1,000
Pernicious Numbers
1,000
755
Pernicious Numbers (Long)
1,000
881
Prime Numbers
1,0001,000
656
Prime Numbers (Long)
1,0001,000
698
RecamΓ‘n
847
Transpose Sentence
777
Van Eck Sequence
778
π
808977
769
949958
800
780