The smallest even 6-digit number is 100,000 .
If you also want the ones digit to be twice the ten's digit, then the smallest even 6-digit
that satisfies that additional requirement is 100,021.
19.
102, 010 2 in the thousands place is twice 1 in the tens place,
The smallest ten-digit number that has two digits the same is 1000000000. However, this number does not meet the requirement of having two digits the same. The smallest valid ten-digit number with two digits the same is 1000000001, where the digit '0' appears eight times and '1' appears twice.
216.
A proper 2-digit number (which must be smaller than 100) cannot be twice a 10-digit number (which must be larger than 999,999,999).
100012
1
100,000
19.
102, 010 2 in the thousands place is twice 1 in the tens place,
The smallest ten-digit number that has two digits the same is 1000000000. However, this number does not meet the requirement of having two digits the same. The smallest valid ten-digit number with two digits the same is 1000000001, where the digit '0' appears eight times and '1' appears twice.
216.
Oh, what a happy little question! The greatest 6-digit number where the digit in the thousands place is twice the digit in the tens place is 986,432. And the smallest 6-digit number following the same rule is 164,823. Isn't it wonderful how numbers can dance together in such a harmonious way?
The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 10.
A proper 2-digit number (which must be smaller than 100) cannot be twice a 10-digit number (which must be larger than 999,999,999).
216
2.3