{"Entry":{"collection":"func","key":"factorial","name":"factorial","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"9.4","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"9.5"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"1a9e29d4d22b73aa454bbfd71ae78a75580701a41f537a3267d14f4796a61144","first_version":"9.5","group":"math","group_label":"Mathematical Functions And Operators","groups":["math"],"imported_at":"2026-09-14T21:49:48.623552+08:00","last_version":"20","name":"factorial","name_key":"factorial","position":2025,"present_in":["9.5","9.6","10","11","12","13","14","15","16","17","18","19","20"],"signature":"factorial ( bigint ) → numeric","signature_count":1,"slug":"factorial","source_rev":"2026-09-14T13:14:25.684213+00:00@99e6866c","summary":"Factorial","summary_zh":""}},"Definition":{"Collection":"func","Key":"factorial","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"factorial","SourceRevision":"2026-09-14T13:14:25.684213+00:00@99e6866c","Facts":{"description":"Factorial","description_html":"Factorial","description_zh":"","description_zh_html":"","doc":{"anchor":"FUNCTIONS-MATH-FUNC-TABLE","file":"functions-math.html","slug":"18"},"group":"math","group_label":"Mathematical Functions And Operators","lang":"en","layout":"table-new","pages":["functions-math.html"],"prose_only":false,"signatures":[{"description":"Factorial","description_html":"Factorial","description_zh":"","description_zh_html":"","examples":[{"expr":"factorial(5)","result":"120"}],"html":"\u003ccode class=\"function\"\u003efactorial\u003c/code\u003e ( \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003enumeric\u003c/code\u003e","returns":"numeric","text":"factorial ( bigint ) → numeric","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-MATH-FUNC-TABLE","file":"functions-math.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"factorial","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"factorial","Summary":"阶乘","BodyHTML":"阶乘\u003cpre\u003efactorial ( bigint ) → numeric\u003c/pre\u003e阶乘","SourceRevision":"ca936764","ContentHash":"cb13a7540b5670473f9eeafb59c63aea574aefc105b52bac8d5dba218719afdb","Payload":{"description_zh":"阶乘","description_zh_html":"阶乘","signatures":[{"description_zh":"阶乘","description_zh_html":"阶乘","returns":"numeric","text":"factorial ( bigint ) → numeric","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","9.5","9.6"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"7a9f6616f49b6471617d53a6c28f7ba306ea4ceb6d4cdbc7fde2a502690e9e7a","Text":"factorial ( bigint ) → numeric","Returns":"numeric","Payload":{"description":"Factorial","description_html":"Factorial","description_zh":"","description_zh_html":"","examples":[{"expr":"factorial(5)","result":"120"}],"html":"\u003ccode class=\"function\"\u003efactorial\u003c/code\u003e ( \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003enumeric\u003c/code\u003e","returns":"numeric","text":"factorial ( bigint ) → numeric","zh_from":""}}],"Spellings":null,"SQLState":null,"Evidence":null}