Facebook Admin ID

I clicked on your link Know your Admin Id and it took me to a page with the id of Jamie Wilson. How do I find my Admin Id?
When I log in to Facebook, I’m taken to All Campaigns. I see my Account Name and clicking on the down arrow it displays 121533327984658

Is this the Id I need?

http://ww.wp.xz.cn/extend/plugins/opengraph-and-microdata-generator/