# What is special about the number 1089?

## What is special about the number 1089?

1089 is the first reverse-divisible number. The next is 2178 (= 1089 × 2 = 8712/4), and they are the only four-digit numbers that divide their reverse.

### How does the 1089 trick work?

The mystery is this: first, take any three digit number, where the first and last digits differ by two or more and reverse the number to produce a new one. Then subtract the smaller from the larger producing another new number. If you reverse this number and this time add the two, the result will always be 1089.

What is the 1 trick in math?

Trick 1: Think of a number Subtract 2. Divide by 2. Subtract your original number.

What is the smallest magic number?

It is 1729. Discovered by mathemagician Srinivas Ramanujan, 1729 is said to be the magic number because it is the sole number which can be expressed as the sum of the cubes of two different sets of numbers. Ramanujanâ€™s conclusions are summed up as under: 1) 10 3 + 9 3 = 1729 and 2) 12 3 + 1 3 = 1729.

## What are magic numbers in math?

Discovered by mathemagician Srinivas Ramanujan, 1729 is said to be the magic number because it is the sole number which can be expressed as the sum of the cubes of two different sets of numbers. …

### Why 1729 Is magic number?

It is 1729. Discovered by mathemagician Srinivas Ramanujan, 1729 is said to be the magic number because it is the sole number which can be expressed as the sum of the cubes of two different sets of numbers.

How do you do the 1089 math trick?

The 1089 Math Trick 1 Step 1: Think of a 3-digit number where its digits are decreasing. 2 Step 2: Reverse the order of the digits. 3 Step 3: Subtract the number in step 2 from the number in step 1. 4 Step 4: Reverse the order of the difference in step 3. 5 Step 5: Add the numbers in step 3 and step 4. More

What is the best thing about Mind Tricks?

The best thing about mind tricks is that they are suitable for all age sets. You can decide to tease your family at the dinner table or when relaxing after a meal. You can use these mind tricks at school or with your friends.

## How many tricks questions are in trick?

Trick questions entertain and inform. Use our selection for parties, game nights – any time you get together with friends or co-workers. Some of the cleverest trick questions involve plays on words, and we have quite a few included in this list. You will find 30 questions, followed by a list of answers.

### Does the Pinocchio mind trick work?

This mind trick always works and you can use it any time you want to have some fun with your friends. 15: Pinocchio Effect Mind trick: You need two chairs and a blindfold for this mind trick. One of your friends will have a blindfold and sit behind another person without a blindfold seated on the other chair.

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