Image
EAN-130718498108787   EAN-13 barcode 0718498108787
UPC-A718498108787   UPC-A barcode 718498108787
BrandShavel
Product NameMicro FlannelUltra Velvet Heated Electric Blanket
CategoryHome: Linnen / Bath
Short DescriptionTake control of the temperature with this soft and luxurious Micro Flannel to Ultra Velvet Electric Blanket. This wonderfully cozy heated blanket uses soft and thin 'no shift' wires from top to bottom to ensure abundant warmth and comfort. This overs
Model72029050026
Created05-04-2020 6:57:34pm
Modified05-23-2020 8:11:36pm
MD568bff073b5bce54fac731e459d88f2df
SHA256912a4481b3f60192e7316de6c4e5aae265d7830f18bfc78ab0e42aa61daa3f78
Search Googleby EAN or by Title
Query Time0.0103619

Article of interest

ISBN stands for International Standard Book Number. Originally this was a 10 digit number known as ISBN-10, but has been replaced with a 13 digit version known as ISBN-13 (aka EAN-13) to better fit in with the industry standard product numbering system.

The ISBN system offers a unique numbering system for books and publications of various types. ISBN offers 9 identification digits for each book or publication and one check digit. ISBN-13 expands the available number set by doubling the available numbers. You might think that the extra three digits would more than double the available numbers but ISBN is limited within the EAN-13 numbering system and will always start with 978 or 979 as the first three digits, leaving only 9 more digits for the actual identification digits and again the last digit is the check digit.

Any ISBN-10 number can be converted to ISBN-13. Any ISBN-13 number that starts with 978 can be converted back to ISBN-10. ISBN-13 numbers that start with 979 cannot be converted to ISBN-10.

The conversion process from ISBN-10 to ISBN-13 is a rather simple one. Start with the first 9 digits of the ISBN-10 number, place 978 in front and calculate the new check digit using the standard EAN check digit calculation.

If you want to calculate the check digit for ISBN-10, that is done using a MOD-11 calculation that is very different than the EAN check digit process.

ISBN-1-5905-9332-4

Look at the number above and below the barcode. You will see that except for the last digit in the ISBN number, all of the digits exist in the 13 digit version shown under the barcode right after the 978 and just before the new check digit of 5.

Now you can see how easy it is to convert between ISBN-10 and ISBN-13.

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