Wiki User
∙ 13y ago97531
Wiki User
∙ 13y ago9,999,876 is the greatest seven-digit number using four different digits.
1324
987654
7,543
.961
9,999,876 is the greatest seven-digit number using four different digits.
1324
987654
To be an even number then the final digit = 2. The largest single prime digit is 7 (as both 8 and 9 are composite). The greatest even number fulfilling the conditions is 77777772.
7,543
Proceed from left to right, using the largest possible digit in each position.
1080, 9989
9542
987,654,321
.961
smallest=1234 greatest=4321
3,162.27766 is the square root of a smallest 8 digit number and thus the greatest integer having the greatest 7 digit square is 3,162. This is because the square of the next integer i. e. 3,163 is going to be an 8 digit number as discussed above. Thus, 3,162 is the required answer. 3162^2 = 9998244.