TO_CHAR conversions require an extra byte?

From: Jesse, Rich <Rich.Jesse_at_qtiworld.com>
Date: Mon, 19 Mar 2001 13:29:36 -0800
Message-ID: <F001.002D0EB5.20010319124039@fatcity.com>

Can anyone explain the following or point me to an FM to R?

        SELECT LENGTH(TO_CHAR(123,'0000')) "Bleah" FROM DUAL;

        Bleah
        ------
        5

For some silly reason, I would have expected the length to be "4". An implicit sign perhaps?

TIA,

Rich Jesse                          System/Database Administrator
Rich.Jesse_at_qtiworld.com             Quad/Tech International, Sussex, WI USA


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Author: Jesse, Rich
  INET: Rich.Jesse_at_qtiworld.com

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