document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=84876>Question 84876</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I tried this problem but still can't figure it out after hours of calculations. \r<BR>\n" );
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document.write( "What number comes next in the sequence??\r<BR>\n" );
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document.write( "61, 691, 163, 487, 4201, ___ ?\r<BR>\n" );
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document.write( "Thank you so much for helping.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #61160 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=61160\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you look at the sequence, you'll notice that every number is prime. Also, if you reverse each number, you get:\r<BR>\n" );
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document.write( "16,196,361,784,1024\r<BR>\n" );
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document.write( "and each of these numbers are perfect squares. So which number is prime and if reversed is a perfect square? Well to save you time the number is 9631. The reverse of that number, 1369, is a perfect square, and 9631 is prime.\r<BR>\n" );
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document.write( "So the next number in the sequence is 9361  </SPAN>\n" );
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