Perfect Square
19965512538348342859245389697241546159247088481 is a perfect square (141299372038053809813809 × 141299372038053809813809)
19965512538348342859245389697241546159247088481 is a perfect square (141299372038053809813809 × 141299372038053809813809)
19965512538348342859245389697241546159247088481 is odd
Previous odd number is 19965512538348342859245389697241546159247088479
Next odd number is 19965512538348342859245389697241546159247088483
1101111111010010001101100000000000000100000110001101101110110011011110001100101100000111011011101110111010010000011011010011010000001011000101101101100001
7958686368099811940470081462152319310660389914430026878645907002297031478293632026858185552978400134228742922733453237988971474439283588641
398621690918944888891694537185531481092379724723699247420511672486016580342098441675442887361