Perfect Square
666998747176673568539547035196542208541520465449 is a perfect square (816699912560711352338893 × 816699912560711352338893)
666998747176673568539547035196542208541520465449 is a perfect square (816699912560711352338893 × 816699912560711352338893)
666998747176673568539547035196542208541520465449 is odd
Previous odd number is 666998747176673568539547035196542208541520465447
Next odd number is 666998747176673568539547035196542208541520465451
111010011010101010000100001110001000111100000001011000011110111110100010010100011010001101111111100110011110110111000101110100011001010111100101000111000101001
296739290901190081876371195997423121514565481036902275068152163321206506991152253460311162936207870537311218975451053396727645295692281958913849
444887328735252106719006534667815127574714085539319335138278026852034307636312757284101602771601