Image
EAN-130717064908929   EAN-13 barcode 0717064908929
UPC-A717064908929   UPC-A barcode 717064908929
BrandPenguin Brands/Nathan Sports
Product NameNathan Orion Strobe Reflective Gear, Fiery Red/Silver
CategorySports / Exercise: Clothing
Short DescriptionA single solution to see and be seen with the most powerful and water resistant clip light.USB recharge powers one 30 lumen crystal white LED to light the path ahead of you.3 well positioned LED strobes allow you to be seen.Clip the strobe to the Ori
Amazon.comA Buy on Amazon ~ B00LZQEEL4
Model5082NFR
Created08-30-2018 4:11:00am
Modified05-23-2020 2:07:45pm
MD597649d6aa2f9c788e59bc5ba0f71f065
SHA256555b2eb5a826b1101ac9100abdddf2998dd4ce782c29064bddc4a0a413a36b5e
Search Googleby EAN or by Title
Query Time0.0069551

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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