1050.
Even number are those that can be divided by 2.First 4-digit number is 1000 but this is not oddSo, the least 4-digit odd number is 1001
1024
2000.The smallest four-digit number there can be is 1000. So, add 1000 and 1000 to get 2000, then least sum you can get when adding two four-digit numbers.
1023
1023
It is: 1009
8192 has 13 prime factors
Even number are those that can be divided by 2.First 4-digit number is 1000 but this is not oddSo, the least 4-digit odd number is 1001
1024
1024
2000.The smallest four-digit number there can be is 1000. So, add 1000 and 1000 to get 2000, then least sum you can get when adding two four-digit numbers.
9801.
10
95
1023
1023
1,024