Perfect Square
8216956651278406592865420413549806640641 is a perfect square (90647430472564453121 × 90647430472564453121)
8216956651278406592865420413549806640641 is a perfect square (90647430472564453121 × 90647430472564453121)
8216956651278406592865420413549806640641 is odd
Previous odd number is 8216956651278406592865420413549806640639
Next odd number is 8216956651278406592865420413549806640643
1100000100101110000000100100101100001011011011100001101100001000101100101001101000110111100110000101011010111111000000101111000000001
554795573760747995732420781178997215512876374310928295211558235901346470820321177533320467878178934014023514607212894721
67518376608988445610933041061009440351874280776930377360273640951558941712890881