``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
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]