50
The largest 4-digit number with two different digits is 9998. Its successor is the next number, which is 9999. However, 9999 has only one digit (9), so we need to find the next valid 4-digit number with two different digits. This number is 10000, which is technically a 5-digit number, so the largest valid number with two different digits before 9999 is 9998, and its successor cannot be a 4-digit number with two different digits. Thus, there is no valid successor that meets the criteria.
To find 12 from a 3-digit or 2-digit number, you can look for combinations of its digits that add up to 12. For example, in the number 234 (a 3-digit number), the digits 2 and 3 can be combined with other digits, but they don't sum to 12. In a 2-digit number like 39, the digits 3 and 9 also do not sum to 12. Therefore, you need to check various combinations or directly look for specific numbers like 12, which is a 2-digit number itself.
100000 2847239582
2178
You had me until "product." The product of 4 digits can't be prime.
The last digit is always the estimated digit in a number
There are about 10-11 digits in a number
Find a four digit number whose digits will be reversed when multiplied by nine?
45
34.
-8
The largest 4-digit number with two different digits is 9998. Its successor is the next number, which is 9999. However, 9999 has only one digit (9), so we need to find the next valid 4-digit number with two different digits. This number is 10000, which is technically a 5-digit number, so the largest valid number with two different digits before 9999 is 9998, and its successor cannot be a 4-digit number with two different digits. Thus, there is no valid successor that meets the criteria.
To find 12 from a 3-digit or 2-digit number, you can look for combinations of its digits that add up to 12. For example, in the number 234 (a 3-digit number), the digits 2 and 3 can be combined with other digits, but they don't sum to 12. In a 2-digit number like 39, the digits 3 and 9 also do not sum to 12. Therefore, you need to check various combinations or directly look for specific numbers like 12, which is a 2-digit number itself.
100000 2847239582
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.
47 Impossible problem!
You can create a Shell script to find the smallest digit of a number by iterating through its digits. Here's a simple example: #!/bin/bash read -p "Enter a number: " number smallest=9 for (( i=0; i<${#number}; i++ )); do digit=${number:$i:1} if (( digit < smallest )); then smallest=$digit fi done echo "The smallest digit is: $smallest" This script prompts the user for a number, checks each digit, and prints the smallest one.