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Search: id:A051270
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%I A051270
%S A051270 2310,2730,3570,3990,4290,4620,4830,5460,5610,6006,6090,6270,6510,6630,
%T A051270 6930,7140,7410,7590,7770,7854,7980,8190,8580,8610,8778,8970,9030,9240,
%U A051270 9282,9570,9660,9690,9870,10010,10230,10374,10626,10710,10920,11130
%N A051270 Numbers that are divisible by exactly 5 different primes.
%H A051270 T. D. Noe, <a href="b051270.txt">Table of n, a(n) for n=1..1000</a>
%e A051270 2730=2*3*5*7*13 is the first nontrivial 5-prime factor number following 
               the 5th primorial, 2310=2*3*5*7*11
%t A051270 lst={};Do[If[Length[FactorInteger[n]]==5, (*Print[n];*)AppendTo[lst, 
               n]], {n, 3*10^4}];lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), 
               Aug 21 2008]
%Y A051270 A000961, A007774, A000977, A002110, A033992, A033993.
%Y A051270 Sequence in context: A031636 A031546 A060231 this_sequence A046387 A136154 
               A076252
%Y A051270 Adjacent sequences: A051267 A051268 A051269 this_sequence A051271 A051272 
               A051273
%K A051270 nonn
%O A051270 1,1
%A A051270 Labos E. (labos(AT)ana.sote.hu)

    
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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