diff -r 1383a260b66d Lib/timeit.py
--- a/Lib/timeit.py	Wed Feb 10 01:17:51 2016 +0000
+++ b/Lib/timeit.py	Wed Feb 10 12:00:16 2016 +0100
@@ -295,7 +295,7 @@
     t = Timer(stmt, setup, timer)
     if number == 0:
         # determine number so that 0.2 <= total time < 2.0
-        for i in range(1, 10):
+        for i in range(0, 10):
             number = 10**i
             try:
                 x = t.timeit(number)