Having a cool number make it easy to remeber you.
It’s appealing and mysterious. The main point is to help you to develop as many connections as you are exposed to.
Many use it for business, other to get more dates, some to state their beliefs.
There are auspicious numbers for business, for Muslim, for Christian, for lovers and the list is too long to continue.
But how much are people willing to spend ?
Check this out:

http://www.souq.com/browse.php?id=1109&list=cat

Regards.

Koowiki