Merge pull request #5761 from MicrosoftDocs/FromPublicMasterBranch

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Author: v-alje

docs/error-messages/compiler-errors-1/compiler-error-c2153.md

@@ -1,23 +1,26 @@
 ---
-description: "Learn more about: Compiler Error C2153"
 title: "Compiler Error C2153"
-ms.date: "11/04/2016"
+description: "Learn more about: Compiler Error C2153"
+ms.date: "01/31/2025"
 f1_keywords: ["C2153"]
 helpviewer_keywords: ["C2153"]
-ms.assetid: cfc50cb7-9a0f-4b5b-879a-d419c99f7be1
 ---
 # Compiler Error C2153
 
-hex constants must have at least one hex digit
+integer literals must have at least one digit
 
-Hexadecimal constants 0x, 0X, and \x are not valid. At least one hex digit must follow x or X.
+Hexadecimal and binary literals must contain at least one digit after the leading sequence (`0x`, `0X`, `0b`, or `0B`), otherwise the trailing character may be incorrectly interpreted as a suffix or literal operator. See [Integer literals](../../cpp/numeric-boolean-and-pointer-literals-cpp.md#integer-literals) for more information.
 
 The following sample generates C2153:
 
 ```cpp
 // C2153.cpp
-int main() {
-   int a= 0x;    // C2153
-   int b= 0xA;   // OK
+int main()
+{
+    int a = 0x;    // C2153
+    int b = 0x0;   // OK
+
+    int c = 0b;    // C2153
+    int d = 0b0;   // OK
 }
 ```