Bluebulb Projects' The Measure of Things presents:
6,000 is about three times the number of Steps in the Sears Tower.
In other words, it's 2.8450 times the count of Steps in the Sears Tower, and the count of Steps in the Sears Tower is 0.35150 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (steps per stairwell)