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A106426 Smallest number beginning with 6 and having exactly n prime divisors counted with multiplicity. 1

%I #3 Mar 30 2012 17:29:22

%S 61,6,63,60,612,64,648,640,6048,6400,6912,6144,62208,61440,602112,

%T 65536,663552,655360,6029312,6553600,60162048,6291456,63700992,

%U 62914560,616562688,67108864,679477248,603979776,6115295232,6039797760

%N Smallest number beginning with 6 and having exactly n prime divisors counted with multiplicity.

%e a(4) = 60 = 2^2*3*5.

%Y Cf. A077326-A077334, A106411-A106419, A106421-A106429.

%K base,nonn

%O 1,1

%A _Ray Chandler_, May 02 2005

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Last modified April 19 10:56 EDT 2024. Contains 371791 sequences. (Running on oeis4.)