perplexus.info :: Just Math : Rooting for 2015

Rooting for 2015 (Posted on 2015-08-14)

Determine the smallest value of a positive integer N such that the digit immediately preceding the decimal point in the expansion of √N is 2 and the three digits immediately following the decimal point is 015 (in this order)

*** Extra Challenge: A non-computer program assisted method.

Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Solution: (Hide)

The required smallest value of N is 1025.
For an explanation, refer to the solution submitted by Jer in this location.

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

Subject	Author	Date
re: confirmed solution	Jer	2015-08-14 11:28:21
confirmed solution	Charlie	2015-08-14 10:22:22
Likely Solution	Jer	2015-08-14 09:35:22

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