The book is now available! 1621
(another Prime Pages' Curiosity)
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+ ``The'' thanksgiving feast celebrated by the Pilgrams of Plymouth Colony with members of the Massasoit tribe and celebration of the first harvest, October 1621.

+ The mouth of a prime volcano. 1621 is a prime that remains prime when preceded and followed by one, two, three, or four 3's:

    1621 
   316213 
  33162133
 3331621333
333316213333
[Post]

+ The smallest prime whose the reversal is a brilliant number equal to the product of two double-digit emirps, i.e., R(1621)=1261=13*97. Can you find the only other such prime? [Loungrides]




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