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279 squared, (279)2, is the number you get when multiplying 279 times 279.
It can also be looked at as exponentiation involving the base 279 and the exponent 2.
The term is usually pronounced two hundred seventy-nine times two hundred seventy-nine or two hundred seventy-nine squared.
The square of 279 is a perfect square because the number is the product of the two equal integers 279.
It can be written as 279 × 279 or in exponential form.
Read on to learn everything about the number two hundred seventy-nine squared, including useful identities.
Calculator
(279)2 = 77,841
279 × 279 = 77,841
The inverse operation of squaring two hundred seventy-nine is extracting the square root of 279, explained here.
In the next section we elaborate on what is 279 squared and there you can also find our calculator.
What is 279 Squared?
A square is a flat shape with four equal sides; every angle is 90°.
Hence, a square with side length 279 has an area of 77,841.
279 squared equals the sum of the first 279 odd numbers:
In addition, the number can be calculated from 278 squared using the following identity:
n2 = (n − 1)2 + (n − 1) + n = (n − 1)2 + (2n − 1)
(279)2 = 2782 + 278 + 279 = 2782 + 557 = 77,841
It can be also be computed from 278 squared with this identity:
n2 = 2 x (n − 1)2 − (n − 2)2 + 2
(279)2 = 2 x 2782 – 2772 + 2 = 2 x 77284 – 76729 + 2 = 77,841
The difference between the perfect square of 279 and its predecessor, 278, can be calculated with the identity n2 − (n − 1)2 = 2n − 1:
2 x 279 – 1 = 557 = (279)2 – 2782 = 77,841 – 77284 = 557
279 is odd, and the square numbers of odd numbers are also odd: (2n + 1)2 = 4 × (n2 + n) + 1.
Squares of odd numbers like 279 are of the form 8n + 1, because (2n + 1)2 = 4n × (n + 1) + 1;
n × (n + 1) is an even number.
If you want to calculate the square of any number, not only integers like 279, you can use our calculator above.
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A square similar to 279 is, for example: square of 281.
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The following table contains the squares of numbers close to 279.
Table
| Number | Square |
|---|---|
| 274 | 75,076 |
| 275 | 75,625 |
| 276 | 76,176 |
| 277 | 76,729 |
| 278 | 77,284 |
| 279 | 77,841 |
| 280 | 78,400 |
| 281 | 78,961 |
| 282 | 79,524 |
| 283 | 80,089 |
| 284 | 80,656 |
Two Hundred Seventy-Nine Squared
By reading so far you know all about squaring the number 279 and calculating it using recursive methods, or as sum, product or by exponentiation.
279 squared is equivalent to 77,841.
If you were searching for what is 279 squared in math or if you typed whats 279 squared in the search engine you now have all the answers, too.
The same goes for searches like square279, and 279 to the 2nd power, just to name a few more examples people are often looking for.
Note that you can also find many perfect squares including 279 squared using the search form in the sidebar of this page.
Ahead is the summary of our information.
Conclusion
To sum up,
279 squared = 279 × 279 = (279)2 = 77,841.
The exponentiation form is mostly used to denote two hundred seventy-nine squared.
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– Article written by Mark, last updated on November 26th, 2023