Three geeky new Easter eggs from Google display the number of search results in the number format searched, as in the “binary” search below:
Searching Google for “hexidecimal” or “octal” produces the same sort of result, with the number of results shown in their respective formats:
Google isn't the only search engine that plays around with results for user entertainment; last September, Bing added in a few Easter Eggs of their own. Searching “more evil than Satan himself” displayed a hard-coded definition at the top of the SERP: =10^100 (a googol).
Try searching “anagram,” or “recursion” on Google for other fun and games. Hat tip to the Google Operating System (unofficial) blog for pointing out this latest Easter Egg.