Show the 1089 number trick
Use the number 321
1089 number trick requirements
The 1089 number trick requires a 3-digit number
It must have no zeros and no repeated digits.
Step 1: Reverse the digits of 321
321 reversed digits is 123
Step 2: Subtract our smallest number 123 from our largest number 321
321 - 123 = 198
Step 3: Reverse the digits of the number in Step 2:
The reverse of 198 is 891
Step 4: Add the result in Step 2 to the result in Step 3:
198 + 891 = 1089
You have 1 free calculations remaining
What is the Answer?
198 + 891 = 1089
How does the 1089 Number Trick Calculator work?
Free 1089 Number Trick Calculator - Demonstrates the 1089 number trick for a 3 digit number that you enter
This calculator has 1 input.
What 6 formulas are used for the 1089 Number Trick Calculator?
Take a 3 digit number and call this aReverse the digits and call this b
Take the maximum of a and b and subtract the minimum of a and b
Reverse the digits of this number
Add the numbers together in Steps 3 and 4
For more math formulas, check out our Formula Dossier
What 4 concepts are covered in the 1089 Number Trick Calculator?
- 1089 number trick
- Take a 3 digit number. Subtract the palindrome of the 3 digit number. Take the result. Add this result to the palindrome of the result. The answer is 1089
- algorithm
- A process to solve a problem in a set amount of time
- number
- an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
