Bluebulb Projects' The Measure of Things presents:
5,900 is about three times the number of Steps in the Sears Tower.
In other words, it's 2.7980 times the count of Steps in the Sears Tower, and the count of Steps in the Sears Tower is 0.35740 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (steps per stairwell)