699980819
This number is a prime.
Just showing those entries submitted by 'Bajpai': (Click here to show all)
The smallest invertible prime p containing all of the
invertible digits {0, 1, 6, 8, 9} such that {p, p+2} and
{p*(p+1)*(p+2)-1, p*(p+1)*(p+2)+1} are two sets of twin
primes, i.e., {699980819, 699980821} and
{342971806172524983507387179, 342971806172524983507387181}. [Bajpai]
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