Bluebulb Projects' The Measure of Things presents:
6,700 is about three times the number of Steps in the Sears Tower.
In other words, it's 3.1770 times the count of Steps in the Sears Tower, and the count of Steps in the Sears Tower is 0.31480 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (steps per stairwell)