number of Wikipedia articles I created
I've been a volunteer with the Wikimedia movement for more than ten years and have made over 4 million edits across Wikimedia projects.
my Erdős number
Erdős number is one's collabration distance to Paul Erdős, one of my favorite mathematicans.
number of U.S. states I've set foot on
... and Washington, D.C.! Check out my traveler map to see all the states I have visited.
my favorite number
Chrome extension that integrates contents into Google search results