Perfect Square
21165932283236179133724700225 is a perfect square (145485161728735 × 145485161728735)
21165932283236179133724700225 is a perfect square (145485161728735 × 145485161728735)
21165932283236179133724700225 is odd
Previous odd number is 21165932283236179133724700223
Next odd number is 21165932283236179133724700227
10001000110010000001100100000000011010101010010010010101100110000010000000100010010111001000001
9482267591346797069996453266210541478152038547709045774925076261967317245188823890625