Eighty seven is the sum of the squares of first 4 prime numbers (2,3,5,7). The factors are 3 and 29. The square root of 87 is 9.327
Eighty seven is the sum of the squares of first 4 prime numbers (2,3,5,7). The factors are 3 and 29. The square root of 87 is 9.327
The nearest previous perfect square is 81 and the nearest next perfect square is 100 .
