That's NumberWang!
Actual interaction:
Hubot> 200
Hubot> 11
Hubot> 1
Hubot> 14
Hubot> That's NumberWang!
Hubot> 47
Hubot> 589
Hubot> 3
Hubot> That's NumberWang!
Hubot> 42
Hubot> 398,245
Hubot> 33,245.00003
Hubot> 3
Hubot> 14
Hubot> 11
Hubot> that's numberwang!!!
Hubot> 16
Hubot> 2
Hubot> 399.2
Hubot> THATS NUMBERWANG