🌐EnglishEnglishEspañolPolskiTürkçeفارسی한국어中文日本語EntityQ3273602· pop 9· linked from 15 articlesSign extensionoperation of increasing the number of bits of a number while preserving the number's sign and valueAvailable in 9 languagesEspañol中文日本語GreekPolskiTürkçeفارسی한국어via Wikidata sitelinks · CC0ConnectionsInternational Standard Book NumberEntitybinary numeral systemEntityCategoriesBinary arithmetic