Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A098449
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A098449 Smallest n-digit semiprime. +0
2
4, 10, 106, 1003, 10001, 100001, 1000001, 10000001, 100000001, 1000000006, 10000000003, 100000000007, 1000000000007, 10000000000015, 100000000000013, 1000000000000003, 10000000000000003, 100000000000000015 (list; graph; listen)
OFFSET

1,1

CROSSREFS

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

Sequence in context: A156329 A125855 A153743 this_sequence A118378 A003086 A102958

Adjacent sequences: A098446 A098447 A098448 this_sequence A098450 A098451 A098452

KEYWORD

base,nonn

AUTHOR

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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 6 13:45 EST 2009. Contains 170429 sequences.


AT&T Labs Research