Bluebulb Projects' The Measure of Things presents:
6,100 is about three times the number of Steps in the Sears Tower.
In other words, it's 2.8920 times the count of Steps in the Sears Tower, and the count of Steps in the Sears Tower is 0.34580 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (steps per stairwell)