perplexus.info :: Just Math : 2011 Square End

2011 Square End (Posted on 2011-10-06)

Determine the smallest octal (base 8) perfect square which ends with 2011 (reading left to right). What are the next two smallest octal perfect squares with this property?

***For an extra challenge, solve this puzzle without using a computer program.

Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Solution: (Hide)

The octal prefect square (772011 in decimal) is the smallest perfect octal square that ends in 2011.
For an explanation, and a comprehensive list of such octal numbers, refer to the solution submitted by Charlie in this location.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
an inefficient method.	Jer	2011-10-07 12:28:20
possible solution	broll	2011-10-07 02:00:21
computer solution	Charlie	2011-10-06 14:16:03

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