Even More digital silliness

[David Wilson]

With respect to digital analysis, I would expect primes to appear in a 
haphazard fashion.

But the rotation of square 361 to get triangle 136 seems interesting.

----- Original Message ----- 
From: "Tanya Khovanova" <mathoflove-seqfan at yahoo.com>
To: <seqfan at ext.jussieu.fr>
Sent: Saturday, January 12, 2008 11:27 AM
Subject: Even More digital silliness


> Your rotations reminded me of this rotational property.
>
> 613 is the smallest prime such that bringing the first digit to the
> back produces a triangular number (136) and repeating this operation
> produces a square (361)