同构数是会出现在它的平方的右边的数如5×5=25,6×6=36。十进制同构数以6开头的同构数有:6^2=3676^2=5776376^2=1413769376^2=87909376109376^2=119631093767109376^2=5054322710937687109376^2=7588043387109376787109376^2=6195411697871093761787109376^2=319375992178710937681787109376^2=668913126008178710937640081787109376^2=1606549657881340081787109376