Integers: Positive and Negative

Name: Integers: Positive and Negative
Brand: HarperCollins Publishers
SKU: 9780381999889

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HarperCollins Publishers Integers: Positive and Negative is a numbers, natural identified by EAN 9780381999889.

9780381999889 Certainty 60%

Brand: HarperCollins Publishers
Category: numbers, natural
Barcode type: EAN-13 / GTIN-13
GS1 registered country: Bookland (ISBN-13)
Data confidence: 60%

Product Details

Barcode (EAN/GTIN)	9780381999889
Product name	Integers: Positive and Negative
Brand / Manufacturer	HarperCollins Publishers
Category	numbers, natural
GS1 Prefix	978 — registered in Bookland (ISBN-13)
Barcode type	EAN-13 / GTIN-13
Data certainty	60%

Verified Product Facts

The barcode 9780381999889 passes the GS1 mod-10 check-digit test, so it is a structurally valid GTIN. Its 978 prefix was issued by the GS1 member organisation for Bookland (ISBN-13) — registration, not place of manufacture.

Recorded specifications

Item weight1.01 pounds

UNSPSC code55101500

Attributes as recorded in the product catalogue data we hold. Figures describe the packaged article and may differ between production batches.

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🟢 No recall found for this barcode · We matched this barcode against recall records from EU Safety Gate, US FDA, US CPSC and Health Canada (2026-09-21). Not every recall notice lists a barcode, so this is not a safety guarantee — check the brand owner or the regulator for the definitive record.

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Barcode Lookup API

Access this product programmatically via the ProductGuru free API:

GET https://myproduct.guru/scan/9780381999889

GET https://myproduct.guru/api/search?q=9780381999889

No API key required. Returns JSON with product name, brand, manufacturer, and more.

About EAN Barcode 9780381999889

Barcode 9780381999889 is a EAN-13 (GTIN-13) identifying Integers: Positive and Negative in the GS1 global system.

Barcode format: EAN-13 / GTIN-13 — 13-digit globally unique product identifier
GS1 prefix 978: assigned to companies registered in Bookland (ISBN-13)
Manufacturer: HarperCollins Publishers
Scan compatibility: readable by any smartphone barcode scanner app

Frequently Asked Questions

What product has barcode 9780381999889?

Barcode 9780381999889 is Integers: Positive and Negative, sold under the brand HarperCollins Publishers.

Who manufactures barcode 9780381999889?

HarperCollins Publishers is recorded as the manufacturer of Integers: Positive and Negative (barcode 9780381999889).

What country is barcode 9780381999889 from?

Based on the GS1 prefix 978, this product was registered in Bookland (ISBN-13).

Is barcode 9780381999889 a valid EAN?

Yes, 9780381999889 is a valid EAN-13 barcode with correct check digit.

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