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A106421 Smallest number beginning with 1 and having exactly n prime divisors counted with multiplicity. 27
1, 11, 10, 12, 16, 108, 144, 128, 1296, 1152, 1024, 10368, 10240, 12288, 16384, 110592, 147456, 131072, 1327104, 1179648, 1048576, 10616832, 10485760, 12582912, 16777216, 113246208, 100663296, 134217728, 1006632960, 1207959552 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
EXAMPLE
a(0) = 1, a(5) = 108 = 2^2*3^3.
CROSSREFS
Sequence in context: A347765 A004283 A344367 * A019329 A086919 A060982
KEYWORD
base,nonn
AUTHOR
Ray Chandler, May 02 2005
STATUS
approved

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Last modified March 29 05:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)