ISBN 2720900801 hat failed the checksum digit test. |
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The following 12 formally correct ISBNs were determined. Starting from these ISBNs the value 2720900801 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: French language | ||||
ISBN | assumed error | Catalogs for checking | ||
---|---|---|---|---|
2-02-090780-1 | 2nd and 7th digits were swapped. | amazon | amazon | amazon |
2-7029-0080-1 | 3rd and 4th digits were swapped. | amazon | amazon | amazon |
2-7205-0080-1 | fifth digit was changed. | amazon | amazon | amazon |
2-7209-0000-1 | eighth digit was changed. | amazon | amazon | amazon |
2-7209-0080-X | tenth digit was changed. | amazon | amazon | amazon |
2-7209-0580-1 | seventh digit was changed. | amazon | amazon | amazon |
2-7209-4080-1 | sixth digit was changed. | amazon | amazon | amazon |
2-7269-0080-1 | fourth digit was changed. | amazon | amazon | amazon |
2-7290-0080-1 | 4th and 5th digits were swapped. | amazon | amazon | amazon |
2-8209-0080-1 | second digit was changed. | amazon | amazon | amazon |
ISBN prefix group: Japan | ||||
ISBN | assumed error | Catalogs for checking | ||
4-7209-0080-1 | first digit was changed. | amazon | amazon | amazon |
ISBN prefix group: Denmark | ||||
ISBN | assumed error | Catalogs for checking | ||
87-20-90020-1 | 1st and 8th digits were swapped. | amazon | amazon | amazon |
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