SOLVED:Find all square roots of each number. See Example 1. (81)/(400)
SQUARE ROOT OF 81 - YouTube
using prime factorization find the square root of 81 - Brainly.in
Cliff Pickover on Twitter: "Dream about this tonight: 81 is the only multi-digit number whose square root is the sum of its digits. https://t.co/IcHqmgbJSK" / Twitter