9998
9998
It is 9998.
10000
9998
10,000 (ten thousand) comes after 9999
That is 9998.
9999 to 10004
9998
9999
9999
The largest 4-digit number is 9999 or -9999
No. The square root of 9999 is 3 sqrt(1111), which is not an integer, which in turn means that 9999 is not a square number.