ISBN 827017949X hat failed the check­sum digit test.

The following 8 formally correct ISBNs were determined. Starting from these ISBNs the value 827017949X that you input could have resulted frome one error (error in one digit or transposition of two digits.) You can now check using the links given for the catalogs of amazon.co.uk, amazon.com and amazon.de whether any book is listed for the respective URL. To the home page
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ISBN prefix group: Japan
ISBNas­su­med er­rorCatalogs for checking
4-270-17949-Xfirst digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: former Czechoslovakia
ISBNas­su­med er­rorCatalogs for checking
80-7017-949-Xsecond digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Norway
ISBNas­su­med er­rorCatalogs for checking
82-07-17949-X3rd and 4th digits were swap­ped. amazon.co.uk amazon.com amazon.de
82-201-7949-Xthird digit was chan­ged. amazon.co.uk amazon.com amazon.de
82-7017-940-Xninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
82-7017-949-3tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
82-7017-999-Xeighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
82-7097-949-Xfifth digit was chan­ged. amazon.co.uk amazon.com amazon.de

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