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Craig Sawyers · 22nd Jun 2020, 10:55 pm

An odd property of 79 is if you reverse the digits you get 97, which is also a prime. Called, apparently, and emirp (prime backwards). Seriously.

The largest one so far found is 10^10006 + 941992101×10^4999 + 1

I'll bet that sounds awesome. Think of all those strands...

22nd Jun 2020, 10:55 pm	#1614
Craig Sawyers Dekatron Join Date: Nov 2010 Location: Oxford, UK. Posts: 4,996	Re: The Audiophoolery Thread. An odd property of 79 is if you reverse the digits you get 97, which is also a prime. Called, apparently, and emirp (prime backwards). Seriously. The largest one so far found is 10^10006 + 941992101×10^4999 + 1 I'll bet that sounds awesome. Think of all those strands...