It is 99. 99*99 = 9801
32 is the smallest two-digit number that can be multiplied by itself to give a four-digit number. (32x32)=1024
32 (32 x 32 = 1024)
The number is 45
35*35 = 1225
731 and 137
1111x9 =9999 1089 multiplied by 9 = 9801
The largest single digit composite number is 9. The largest prime number is 17 million digits long. The definition of a composite number is any number that has at least one positive divisor other than one or the number itself (it is not a prime number). The largest composite digit is therefore longer than the largest prime number by at leaf +1.
The largest 3-digit number - not itself a perfect square - is 999. Calculate its square root, round the answer down, then square the answer again.
2 digit number
No. There's no two digit numbers that could do this. The largest two digit number is 99. If you add 99 to itself, you only get 198, which is much smaller than a four digit number.
222 x 7 = 1554 Therefore the answer is 4
This is not true. Think about any 4 digit multiplied by 1. This remains a 4 digit. In the case of any 4 digit under 5000, multiplied by two would also be a 4 digit number
679 is the product of the largest single-digit prime number and the largest two-digit prime number.
999 is the largest 3-digit number.
The largest 10-digit number with no digit repeated is 9876543210 !
10,000,000 is the smallest 8 digit number 99,999,999 is the largest 8 digit number
The largest 4 digit number is 9999.
9 and 99
what is the difference between the largest 8-digit number and the smallest 6-digit number
9797 is the largest two digit prime number.
The largest 5-digit prime number is 99,991