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A230202 Primes that end in 999. 1

%I

%S 1999,2999,4999,8999,13999,25999,32999,35999,41999,49999,52999,56999,

%T 59999,70999,71999,73999,77999,79999,85999,94999,98999,100999,101999,

%U 104999,107999,133999,134999,136999,137999,139999,143999,157999,161999,164999,172999,179999

%N Primes that end in 999.

%C 37 does not divide a(n) - 999 for any n because 37 divides 999 and a(n) is prime. The sequence is infinite.

%D Joseph B. Dence and Thomas P. Dence, Elements of the Theory of Numbers, Academic Press, San Diego, 1999, p. 35.

%o (MAGMA) [p : p in PrimesUpTo(18*10^4) | p mod 1000 eq 999]

%o (MAGMA) [n : n in [999..18*10^4 by 1000] | IsPrime(n)]

%Y Subsequence of A167292.

%K nonn,base

%O 1,1

%A _Arkadiusz Wesolowski_, Oct 11 2013

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Last modified September 26 13:25 EDT 2021. Contains 347668 sequences. (Running on oeis4.)