Perfect Square
669207075649800463743805375329391119716183870184841248062500 is a perfect square (818050778160989505053614015750 × 818050778160989505053614015750)
669207075649800463743805375329391119716183870184841248062500 is a perfect square (818050778160989505053614015750 × 818050778160989505053614015750)
669207075649800463743805375329391119716183870184841248062500 is even
Previous even number is 669207075649800463743805375329391119716183870184841248062498
Next even number is 669207075649800463743805375329391119716183870184841248062502
299696432024392260920763486269985052353429262080669201433864402449598716904286992602176304119160674936958804616400595680214440250147874898027106542481523995985632375244140625000000
447838110099757760773511731868582509607585166425380452541824145531476407868982198861264454655228790735302660003906250000
1101010100111000101111111011111100010100111000011100010010111010110110101011011101011000110010110100111000111101001011101101110101000111001010110010000111110000101011001101110100000010011110000100100
1524705773742470342272665335306264707513556507126207605315640236044