Nike Book 2 WNBA 30th Anniversary
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Barcode formats for 198731103104
These are the same product number written at different lengths. A shorter form is padded with leading zeros to make the longer one. The last digit is a checksum over the rest. Convert between them with the GTIN converter or verify the last digit with the check digit calculator.
About UPC 198731103104
- Size
- US 9 / UK 8 / EU 42 1/2
- In the size run
- The only size of IR6333-100 that we hold
- GS1 prefix
- GS1 prefix 019: the number was licensed through GS1 US. The prefix does not show where the product was made.
- Company block
- 0198731: 491 styles in our catalogue, 483 Nike or Jordan (98.4%)
- Released
- Retail price US$145
- In catalogue
- In the Barcodes.gg catalogue since 11 October 2026
- Also listed as
- Buty Nike Book 2 "WNBA 30th" White/Fireberry/Light Photo Blue/Midnight Navy; Nike Book 2 'WNBA 30th' (2026); Nike Book 2 Basketball Shoes Unisex White Red
Questions about 198731103104
What size is UPC 198731103104?
It is the barcode of US 9 / UK 8 / EU 42 1/2.
Is 198731103104 a Nike barcode?
The number is in the company block 0198731, which our catalogue gives to Nike or Jordan. A matching barcode does not prove that a pair is authentic, because a real number can be printed on a copied label.
How do I check the last digit of 198731103104?
Add the digits in positions 1, 3, 5, 7, 9 and 11: 1+8+3+1+3+0 = 16. Multiply by 3: 48. Add the digits in positions 2, 4, 6, 8 and 10: 9+7+1+0+1 = 18. The total is 66. The next multiple of 10 is 70, so the check digit is 4. The last digit is 4, so the code is valid.
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UPC vs EAN vs GTIN: what is the difference
UPC is not an alternative to GTIN. A UPC-A barcode carries a 12-digit GTIN-12, so UPC is one member of the wider GTIN family.
Invalid UPC-E prefix: why the first digit must be 0 or 1
This error means you selected UPC-E for eight digits that start with 2 through 9. Check the barcode format before changing any digits.