We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
53
1
avatar

Find the unique four-digit integer  n with these properties:

 The last digit (the units digit) of  is 9 .

 The digits of n  add up to 27  .

 Two digits of n are the same.

  is n a perfect square.

 Jan 20, 2019
 #1
avatar
0

63^2 = 3,969

 Jan 20, 2019

35 Online Users

avatar
avatar
avatar
avatar