Prime Curios!: 1621

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]

(There is one curio for this number that has not yet been approved by an editor.)

To link to this page use http://primes.utm.edu/curios/page.php?number_id=7612