Perfect Square
1642912225740816192954987679953121 is a perfect square (40532853658986511 × 40532853658986511)
1642912225740816192954987679953121 is a perfect square (40532853658986511 × 40532853658986511)
1642912225740816192954987679953121 is odd
Previous odd number is 1642912225740816192954987679953119
Next odd number is 1642912225740816192954987679953123
101000100000000011101111011010101000010010101110110101101110111001001100111101010010000100011011011000011100001
4434483918565381468224218371871330449604532571632107256525784340122768479096866515038763885444390561
2699160581488642585316224899983061373460023144332708665100757640641