examday

/TMUA

Which of these statements is true about $x=21222324252627$:

1. $x$ can be written as $p^2+q^2$ where $p$ and $q$ are $2$ distinct positive integers

2. $x$ can be written as $p^2-q^2$ where $p$ and $q$ are $2$ distinct positive integers

3. $x$ can be written as $p^2q^6$ where $p$ and $q$ are $2$ distinct positive integers