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A129673
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Right truncatable primes in base 7 (written in decimal form).
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0
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2, 3, 5, 17, 19, 23, 37, 41, 137, 139, 163, 167, 263, 293, 977, 1171, 1847, 2053, 6841
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OFFSET
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1,1
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COMMENTS
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There are exactly 19 right truncatable primes in base 7.
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LINKS
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Table of n, a(n) for n=1..19.
I. O. Angell and H. J. Godwin, On Truncatable Primes, Math. Comput. 31, 265-267, 1977.
Eric Weisstein's World of Mathematics, Truncatable Prime.
Index entries for sequences related to truncatable primes
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EXAMPLE
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263 is a term because 524_7 = 263_10, 52_7 = 37_10, and 5_7 = 5_10 and 263, 37 and 5 are all prime numbers. - Bernard Schott, Jan 25 2019
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CROSSREFS
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Cf. A024767, A076586.
Sequence in context: A045314 A129943 A341786 * A215372 A290043 A058501
Adjacent sequences: A129670 A129671 A129672 * A129674 A129675 A129676
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KEYWORD
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nonn,fini,full,base
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AUTHOR
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Martin Renner, Jun 01 2007
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STATUS
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approved
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