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最初の 10 個のISBN 番号

978-0-1382-4713-3, 978-0-7590-5351-9, 978-0-1030-4068-4, 978-0-7429-9643-4, 978-0-6973-3042-0, 978-0-7451-5145-8, 978-0-5886-4257-1, 978-0-9000-3648-4, 978-0-0120-3427-9, 978-0-2886-3682-5

Check digits are computed, so these codes pass any ISBN validator. That is all they are: ISBN has no reserved test block comparable to the 555 telephone range, so a format-valid ISBN is not an unassigned one. The registrant and publication digits come from a seeded PRNG and some will land inside blocks the ISBN Agency has already given to real publishers. Use them for fixtures, screenshots and validator tests — never as if they identified a title. Hyphens in a real ISBN mark the boundary of the registrant block, whose length is published in the International ISBN Agency range message and varies from publisher to publisher. The split shown here is nominal and should not be treated as authoritative.

設定

クイックプリセット

ISBN-13 and ISBN-10 are two renderings of one number: drop the 978 prefix and swap the mod-10 check digit for a mod-11 one. Only 978 ISBNs have a ten-digit form.

The digit after the Bookland prefix identifies a country or language area. It is assigned by the International ISBN Agency, not chosen by the publisher.

Prefix-group-registrant-publication-check. Hyphen placement is nominal — see the note under the output.

Change the seed for a different list. The same seed always gives the same ISBNs, so a shared link shows everyone the same fixtures.

見た目を微調整

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Frame

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詳細設定

結果

10 件の値

978-0-1382-4713-3, 978-0-7590-5351-9, 978-0-1030-4068-4, 978-0-7429-9643-4, 978-0-6973-3042-0, 978-0-7451-5145-8, 978-0-5886-4257-1, 978-0-9000-3648-4, 978-0-0120-3427-9, 978-0-2886-3682-5

Check digits are computed, so these codes pass any ISBN validator. That is all they are: ISBN has no reserved test block comparable to the 555 telephone range, so a format-valid ISBN is not an unassigned one. The registrant and publication digits come from a seeded PRNG and some will land inside blocks the ISBN Agency has already given to real publishers. Use them for fixtures, screenshots and validator tests — never as if they identified a title. Hyphens in a real ISBN mark the boundary of the registrant block, whose length is published in the International ISBN Agency range message and varies from publisher to publisher. The split shown here is nominal and should not be treated as authoritative.

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最初の 10 個のISBN 番号は何ですか？

最初の 10 個のISBN 番号は次のとおりです。

978-0-1382-4713-3, 978-0-7590-5351-9, 978-0-1030-4068-4, 978-0-7429-9643-4, 978-0-6973-3042-0, 978-0-7451-5145-8, 978-0-5886-4257-1, 978-0-9000-3648-4, 978-0-0120-3427-9, 978-0-2886-3682-5

以下の解説記事はまだ翻訳されておらず、英語で表示されます。

ISBN 番号について

The ISBN began as a warehouse problem. In 1965 the British bookseller WHSmith announced that it would computerise its stock control and needed a standard number for every book it carried. Gordon Foster, later emeritus professor of statistics at Trinity College Dublin, designed the nine-digit Standard Book Number that came out of that work. David Whitaker turned the SBN into a working national system in the United Kingdom in 1967 and is generally called the father of the ISBN; Emery Koltay arrived at the same idea independently in the United States in 1968 and went on to direct the American ISBN agency at R. R. Bowker. ISO took the scheme up and published the ten-digit ISBN as ISO 2108 in 1970. Converting an old SBN was a matter of writing a zero in front of it.

The ten-digit form used a mod-11 check digit, which is why some ISBNs end in X. Eleven possible remainders need eleven symbols, and there are only ten digits, so X stands in for ten — and only ever in the final position.

By the 1990s the ISBN was both running short of numbers and sitting awkwardly beside retail. Supermarkets scanned thirteen-digit EAN barcodes; bookshops scanned ten-digit ISBNs. The fix was Bookland, an invented country handed the EAN prefix 978 so that a book could be numbered like any other retail article. From 1 January 2007 the ISBN itself became thirteen digits — the old number with 978 in front and a fresh mod-10 check digit — completing a migration that had opened on 1 January 2005. A second Bookland prefix, 979, was made available to extend capacity. Inside it, 979-0 is set aside for International Standard Music Numbers, so sheet music and books share one numbering space without ever colliding.

主な性質

  • An ISBN-13 is thirteen digits: a three-digit GS1 prefix (978 or 979), a registration group element, a registrant element, a publication element and one check digit.
  • The ISBN-10 check digit is whatever makes the sum of all ten digits, weighted 10, 9, 8 … 1 from the left, a multiple of 11. The remainder can be 10, so X is used for that case and appears only in the last position.
  • The ISBN-13 check digit makes the sum of all thirteen digits, weighted alternately 1 and 3 starting from the left, a multiple of 10.
  • Every 978-prefixed ISBN-13 has an exact ten-digit equivalent: drop the 978 and recompute the check digit under the mod-11 rule. A 979-prefixed ISBN has no ten-digit form at all.
  • The mod-11 rule catches every single mistyped digit and every transposition of two adjacent digits. The mod-10 rule used by ISBN-13 is weaker: swapping adjacent digits that differ by 5 — a 1 and a 6, say — leaves the check digit unchanged, because the sum shifts by twice the difference.
  • Under prefix 978, registration groups 0 and 1 are English-language areas, 2 is French, 3 German, 4 Japan, 5 the former USSR and 7 China. Group 6 exists only as longer multi-digit prefixes.
  • Registration group 979-0 is reserved for International Standard Music Numbers (ISO 10957), which have begun with that prefix since 1 January 2008. Before then an ISMN was written with a leading letter M.
  • Hyphen positions are not decorative: they mark the registration group and registrant boundaries, whose lengths are published in the International ISBN Agency range message rather than derivable from the digits.

ほかの個数

出典