Perfect Square
666998747176673568539560102395143179923157887801 is a perfect square (816699912560711352338901 × 816699912560711352338901)
666998747176673568539560102395143179923157887801 is a perfect square (816699912560711352338901 × 816699912560711352338901)
666998747176673568539560102395143179923157887801 is odd
Previous odd number is 666998747176673568539560102395143179923157887799
Next odd number is 666998747176673568539560102395143179923157887803
111010011010101010000100001110001000111100000001011000011110111110100010011001110100000110101100000111001100100001010010000000001001101110101110010101100111001
296739290901190081876388636290662039059009744253077645108119399573364283484867837966680827452468611304631225342151398098429242645419533792183401
444887328735252106719023966278007040960999421925305103508317664783809358265445404567203704615601