perplexus.info :: Just Math : Sum Powers Sum Square II

Sum Powers Sum Square II (Posted on 2009-07-08)

Determine all possible positive integer(s) P such that:

2¹⁹⁹⁴ + 2¹⁹⁹⁸ + 2¹⁹⁹⁹ + 2²⁰⁰⁰ + 2²⁰⁰² + 2^P

is a perfect square.

See The Solution Submitted by K Sengupta

Rating: 4.0000 (1 votes)

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re: Aaaaaah (furshlugginer formatting) - trying solution again

| Comment 3 of 6 |

there is also p-1994=9 thus p=2003 which makes

113+2^(p-1994)=625=25^2

Posted by Daniel on 2009-07-09 01:23:20

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