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A089335 Smallest number using a single digit with multiplicity such that every partial concatenation is prime. 1

%I #4 Dec 05 2013 19:56:35

%S 2,3,3,3,3,77,1,333333,33,3333,9,77777777777,999999999,

%T 33333333333333333333333333,99,9999,99,777777777777,

%U 777777777777777777777777777777777777777777777777777777,33333333333333333333333333333333333333333333333333,3333333333333333,9999999999999999999999999999999999999999

%N Smallest number using a single digit with multiplicity such that every partial concatenation is prime.

%e 2, 23, 233, 2333, 23333, 2333377, etc. are primes.

%K base,nonn

%O 0,1

%A _Amarnath Murthy_, Nov 04 2003

%E More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Sep 26 2004

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Last modified July 29 02:16 EDT 2024. Contains 374727 sequences. (Running on oeis4.)