800 = 25 x 52.
800 has two representations as a sum of two squares: 800 = 42 + 282 = 202 + 202.
800 is 2222 in base 7 and 200 in base 20.
8008 + 1 is a prime number.
800 is the sum of four consecutive prime numbers: 800 = 193 + 197 + 199 + 211.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEijIrOdeoyhCP5QwtkNmQclFrRhCVolDgocn8SoILmXRsWRozavAOh9KNuaD6jkGB-namF3tgEMhRqz6Tw1Wybi8TMgrWky4xpe1w_F-TL_Vav5DOfAQsozkjx5YlbPc7Yc9ljQPXz04DU/s200/n0800.jpg)
Source: Prime Curios!
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