361/64

That was $19 \times 19$. The square of a prime. A closed loop.

The fraction was simplifying.

And then, the screen went black.

The numbers 361 and 64 were the dimensions of the aperture. Not kilometers, not miles, but pixels. The universe, in all its infinite vastness, was being funneled through a grid of 361 by 64. 361/64

He remembered the name of the star system that had vanished from the charts three centuries ago. Corvi 564. That was $19 \times 19$

Sixty-four.