980021
12 + 22 + 32 + ... + 9800212 = 313751315719593311, a sum with odd digits (the 5th 18-digit sum, there are 6 sums in all).
Page of Squares : First Upload July 27, 2013 ; Last Revised July 27, 2013by Yoshio Mimura, Kobe, Japan
980375
9803752 = 961135140625, and 961 = 312, 135140625 = 116252.
Page of Squares : First Upload July 27, 2013 ; Last Revised July 27, 2013by Yoshio Mimura, Kobe, Japan
980580
9805802 = 24952*24953 + 24954*24955 + 24956*24957 + 24958*24959 + ... + 27720*27721.
Page of Squares : First Upload July 27, 2013 ; Last Revised July 27, 2013by Yoshio Mimura, Kobe, Japan
982081
982081 = (982 + 08 + 1)2.
Page of Squares : First Upload July 27, 2013 ; Last Revised July 27, 2013by Yoshio Mimura, Kobe, Japan
986586
9865862 = 973351935396, a square with odd digits except the last digit 6.
Page of Squares : First Upload September 28, 2013 ; Last Revised September 28, 2013by Yoshio Mimura, Kobe, Japan
988714
9887142 = 977555373796, a square with odd digits except the last digit 6.
Page of Squares : First Upload September 28, 2013 ; Last Revised September 28, 2013by Yoshio Mimura, Kobe, Japan
989286
9892862 = 978686789796, a square every digit of which is greater than 5.
Page of Squares : First Upload September 28, 2013 ; Last Revised September 28, 2013by Yoshio Mimura, Kobe, Japan
989534
9895342 = 979177537156, a square with odd digits except the last digit 6.
Page of Squares : First Upload September 28, 2013 ; Last Revised September 28, 2013by Yoshio Mimura, Kobe, Japan