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A127892 Largest n-digit left-truncatable prime. 2
7, 97, 997, 9967, 99643, 998443, 9986113, 99979337, 999962683, 9987983617, 99978397283, 999631686353, 9997564326947, 99769267986197, 999769267986197, 9957969395462467, 99957969395462467, 992429121339693967, 8963315421273233617, 86312646216567629137 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Ends at a(24) = 357686312646216567629137.

LINKS

Ray Chandler, Table of n, a(n) for n = 1..24

I. O. Angell and H. J. Godwin, On Truncatable Primes, Math. Comput. 31, 265-267, 1977.

Index entries for sequences related to truncatable primes

CROSSREFS

Cf. A024785, A050987, A127891.

Sequence in context: A114019 A178007 A241206 * A125590 A068694 A158579

Adjacent sequences:  A127889 A127890 A127891 * A127893 A127894 A127895

KEYWORD

base,nonn,fini,full

AUTHOR

Ray Chandler, Feb 04 2007

STATUS

approved

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Last modified June 12 21:39 EDT 2021. Contains 344968 sequences. (Running on oeis4.)