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MathGroup Archive 2005

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Re: Finding extra digit

  • To: mathgroup at smc.vnet.net
  • Subject: [mg54377] Re: Finding extra digit
  • From: highegg at centrum.cz (highegg)
  • Date: Sat, 19 Feb 2005 02:32:45 -0500 (EST)
  • References: <mckp8mcr38h7@legacy>
  • Sender: owner-wri-mathgroup at wolfram.com

On 3 Feb 05 22:27:20 -0500 (EST), Zak Seidov wrote:
>Dear Math gurus,
>please help!
>What is an easy way to find extra digit in the integer n2,
>which differs from integer n1
>EXACTLY by ONE digit.
>I use a very dirt program,
>but guess that you can suggest smth (much) better.
>Thanks a lot,
>and please mail me your help
>seidovzf at yahoo.com

I think you can subtract these two numbers and count the digits in the
result (or take the logarithm). 

Jaroslav


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