Perfect Square
1620561255881323582425039215902295394508924076675537934014401 is a perfect square (1273012669175497083522834912799 × 1273012669175497083522834912799)
1620561255881323582425039215902295394508924076675537934014401 is a perfect square (1273012669175497083522834912799 × 1273012669175497083522834912799)
1620561255881323582425039215902295394508924076675537934014401 is odd
Previous odd number is 1620561255881323582425039215902295394508924076675537934014399
Next odd number is 1620561255881323582425039215902295394508924076675537934014403
100000010001010111001100011110111010000110010010101110101001101010000111101010100110001010000101011101110001100001100010110010111111000110111100100011100101000111011000101101101111101001101011111000001
4255948410921315610751161363368881672809174664671881179841987046410507348736723314990194615232177170757836626903491266782322566563797543094605423535011050740279735578757818008123201
2626218784063652727368366247232184456491827234070306238910939011872968900980254735957418718136795499529397199575275388801
4021271436720622565152075246120535614142627706744345073055575153701