EAN-130011290000052   EAN-13 barcode 0011290000052
UPC-A011290000052   UPC-A barcode 011290000052
UPC-E01129542   UPC-E barcode 01129542
Product NameStar Chocolate Make Mold Cake Decorating Candy Silicone Cube Mould Kitchen Tool
CategoryHome
Short DescriptionAbout Shipment: This item can ship to the following countries from China. United States: Arrival in about 15-25 Business Days. Specifications: It is easy to use and clean. Made of high quality food grade silicone. Non-toxic, odorless and environmenta
Model112905
Created06-15-2021 11:46:51am
Modified06-15-2021 11:50:35am
MD530754961d0a5e9c6e57dd243783aec91
SHA256f297ff214075de053be5bd6dceb11112add7d9c2f04c4d15061f7f1dadfe4a89
Search Googleby EAN or by Title
Query Time0.0050941

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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