Dumb math fact

[cnoocy]

19² * 4 + 1 = 17² * (4 + 1)

Comments

[thedan.livejournal.com]

23^2 * 5 + 1 = 21^2 * (5 + 1)
27^2 * 6 + 1 = 25^2 * (6 + 1)
31^2 * 7 + 1 = 29^2 * (7 + 1)
35^2 * 8 + 1 = 33^2 * (8 + 1)
39^2 * 9 + 1 = 37^2 * (9 + 1)

and so on...

[lorelei-sakai.livejournal.com]

I'm just curious... What were you doing that led you to notice this fact?

[jordanwillow.livejournal.com]

you know, i listen to the odd-numbered symphonies now and then but i hardly ever listen to the even-numbered symphonies. my favorites are 3 and 7, but maybe i need to go back to the evens for a bit.

(that's about as mathematical as my thinking ever gets, btw.)