Mental Calculator
On Dec. 17, 2004, Alexis Lemaire computed the 13th root of a 100-digit number in his head.
He gave the correct answer — 45,792,573 — in 3.625 seconds.
Futility Closet
Subscribe by RSS
Subscribe by Email
Search
Categories
- Art
- Crime
- Death
- Entertainment
- History
- Hoaxes
- Humor
- Language
- Literature
- Oddities
- Poems
- Puzzles
- Quotations
- Religion
- Science & Math
- Society
- Technology
- Trivia
Archives
- August 2008
- July 2008
- June 2008
- May 2008
- April 2008
- March 2008
- February 2008
- January 2008
- December 2007
- November 2007
- October 2007
- September 2007
- August 2007
- July 2007
- June 2007
- May 2007
- April 2007
- March 2007
- February 2007
- January 2007
- December 2006
- November 2006
- October 2006
- September 2006
- August 2006
- July 2006
- June 2006
- May 2006
- April 2006
- March 2006
- February 2006
- January 2006
- December 2005
- November 2005
- October 2005
- September 2005
- August 2005
- July 2005
- June 2005
- May 2005
- April 2005
- March 2005
- February 2005
- January 2005