diff --git "a/leetcode3/\354\227\274\355\230\234\354\240\225/1837. Sum of Digits in Base K.java" "b/leetcode3/\354\227\274\355\230\234\354\240\225/1837. Sum of Digits in Base K.java"
new file mode 100644
index 00000000..fd35942e
--- /dev/null
+++ "b/leetcode3/\354\227\274\355\230\234\354\240\225/1837. Sum of Digits in Base K.java"	
@@ -0,0 +1,12 @@
+// O(logkn)
+
+class Solution {
+    public int sumBase(int n, int k) {
+        int total = 0;
+        while (n > 0) {
+            total += n % k;
+            n /= k;
+        }
+        return total;
+    }
+}