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A098449 Smallest n-digit semiprime. 2
4, 10, 106, 1003, 10001, 100001, 1000001, 10000001, 100000001, 1000000006, 10000000003, 100000000007, 1000000000007, 10000000000015, 100000000000013, 1000000000000003, 10000000000000003, 100000000000000015 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A098450 (largest n-digit semiprime), A003617 (smallest n-digit prime), A001358 (semiprimes).

Sequence in context: A153743 A197851 A197865 * A118378 A203224 A198156

Adjacent sequences:  A098446 A098447 A098448 * A098450 A098451 A098452

KEYWORD

base,nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), Sep 07 2004

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Last modified February 15 08:42 EST 2012. Contains 205733 sequences.