Friday, October 10, 2008

1492

1492 = 22 x 373.

1492 has a representation as a sum of two squares: 1492 = 142 + 362.

1492 is a number whose square starts with three identical digits: 14922 = 2,226,064.

1492 is the least power of 2 that has exactly six consecutive zeros in its decimal representation.

The remainder when 17761492! is divided by 2000 is 1376. Remarkably, the remainder when 14921776! is divided by 2000 is also 1376.


1492 was the year in which Christopher Columbus set out on his first voyage across the Atlantic Ocean to the Americas. It was a leap year (Julian calendar).

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