Thank you to Adrien-Marie Legendre for his symbol

Okay. Let’s say you want to determine the square root of 16. Well, that’s easy … as the answer is 4. But now, what is the square root of this:

6131408466595397710012614540363234062359700887928125190599453844504986420213585686778819217466610878266563405415556

Ans: 2476168101441297080746512578325117519920374855425678540834L