479 is a prime number. Moreover, the differences between any two of its digits are also prime.
479 is a number that cannot be written as a sum of three squares.
479 is the largest known prime number that cannot be represented as the sum of fewer than nineteen fourth powers.
Inserting 0 between adjacent digits of 479 produces a prime: 40709.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHtNixz6rLjtfzFzNkidBvMQWmqD-oKh0YlP7hBSJw4kcmj3Bkn9flNTVUEkwBLWHgfTxuXRwmkVZj_CyJz_fvDr72LSYLhfbxuAR1EXdZ2OZu4NarFXccCqiQXl2hzRAlpqqC9kkaJno/s320/n0479.jpg)
479 is the telephone area code serving northwestern Arkansas.
Source: Prime Curios!
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