Perfect Square
66142759546670879505600695991793729620464831712601 is a perfect square (8132819901280913001894949 × 8132819901280913001894949)
66142759546670879505600695991793729620464831712601 is a perfect square (8132819901280913001894949 × 8132819901280913001894949)
66142759546670879505600695991793729620464831712601 is odd
Previous odd number is 66142759546670879505600695991793729620464831712599
Next odd number is 66142759546670879505600695991793729620464831712603
1011010100000110110111111010101000011101000101011110000000011011100100000111111000001110101001001111011010011110100000000111001001101011011100010010100100110101011001
289365619962432556587545373719213148472932951879456916503628094294404727947812672067623188350768863849539622081038735905804050669428507863417867417801
4374864640448721769763022469861952329318507367886166263300340480927911415562611550404279578662185201