Sure. How about pi digits http://shootout.alioth.debian.org/u32q/benchmark.php?test=pidigits&lang=all . Currently the fastest program is in the functional language Haskell. I challenge you to write a faster one in C (for a quad core processor).

Bureaucrat: We have to move into the 21st century! Think how much money this will save. Sec team: You can't do that! We know its insecure! Bureaucrat: No system is ever secure. Sec team: But you cannot roll it out with such obvious vulnerabilities! Bureaucrat: Well we can use it as a honeypot, since we know about it to catch fraudsters! Sec team: We can't do that! Thats putting peoples financial information on the line! Bureaucrat: HA! As if we care about that!