diff --git a/2048.md b/2048.md
index 69b12040b..dfe1b9169 100644
--- a/2048.md
+++ b/2048.md
@@ -2,3 +2,4 @@
 - a [[number]].
   - 2 ^ 11
   - ```python 2**11```
+  - [[2047]] is a [[mersenne prime]] because of it.