>>22259332

at this point a square year is almost a once in a lifetime occurrence.

last one was 1936, next after 2025 will be 2116.

i like that it's the product of two squares the most. (25 x 81)

>>22259369

>>22259332

oh wait all large squares are the product of two squares.

derp^2

>>22259412

except of course prime squares but the next prime after 45 is 47. err.