What is 4 times 21?
Wondering what 4 times 21 equals? It's a simple multiplication problem that can be solved with basic math knowledge. Here's the answer:
4 x 21 = 84
To understand the multiplication of 4 by 21 better, you can think of it as adding the number 4, 21 times. When you add 4 together 21 times, you still get the same result, which is 84.
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84
The Meaning of Multiplication
Multiplication is essentially adding a number multiple times. For example, multiplying 4 by 21 means adding the number 4, 21 times:
- 4 + 4 + ... (21 times) = 84
Everyday Usage
The multiplication of 4 by 21 is a common mathematical operation in everyday life. For instance, if you buy 21 items each costing $4, the total cost will be $84.
Other Multiplication Symbols
Multiplication can be represented by different symbols. For example, 4 × 21, 4 * 21, and 4 · 21 all mean the same thing.
Here are different ways to write this mathematical operation:
- 4 * 21 = 84
- 4 · 21 = 84
- 4(21) = 84
Multiplication Table of 4
Below is a multiplication table showing the results of multiplying 4 by numbers from 1 to 20:
| Number | Factor | Result | ||
|---|---|---|---|---|
| 4 | x | 1 | = | 4 |
| 4 | x | 2 | = | 8 |
| 4 | x | 3 | = | 12 |
| 4 | x | 4 | = | 16 |
| 4 | x | 5 | = | 20 |
| 4 | x | 6 | = | 24 |
| 4 | x | 7 | = | 28 |
| 4 | x | 8 | = | 32 |
| 4 | x | 9 | = | 36 |
| 4 | x | 10 | = | 40 |
| 4 | x | 11 | = | 44 |
| 4 | x | 12 | = | 48 |
| 4 | x | 13 | = | 52 |
| 4 | x | 14 | = | 56 |
| 4 | x | 15 | = | 60 |
| 4 | x | 16 | = | 64 |
| 4 | x | 17 | = | 68 |
| 4 | x | 18 | = | 72 |
| 4 | x | 19 | = | 76 |
| 4 | x | 20 | = | 80 |
Multiplication Calculator
Our website can help you find the result of not just 4 times 21, but any multiplication problem. Simply enter the numbers you want to multiply in the boxes below to find the answer easily.