integer square root (isqrt) of a non-negative integer n is the non-negative integer m which is the greatest integer less than or equal to the square root...

the square root of numbers having many digits. It was known to the ancient Greeks that square roots of positive integers that are not perfect squares are...

In some applications, an integer square root is required, which is the square root rounded or truncated to the nearest integer (a modified procedure may...

real number system, square numbers are non-negative. A non-negative integer is a square number when its square root is again an integer. For example, 9 =...

Fast inverse square root, sometimes referred to as Fast InvSqrt() or by the hexadecimal constant 0x5F3759DF, is an algorithm that estimates 1 x {\textstyle...

A002193 in the On-Line Encyclopedia of Integer Sequences consists of the digits in the decimal expansion of the square root of 2, here truncated to 65 decimal...

On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Nahin, Paul J. (1998). An Imaginary Tale: The story of i [the square root of minus one]. Chichester:...

decomposition of a positive integer into a product of integers. Every positive integer greater than 1 is either the product of two or more integer factors greater...

The integer n is called the index or degree, and the number x of which the root is taken is the radicand. A root of degree 2 is called a square root and...

cube root of unity. The Eisenstein integers form a triangular lattice in the complex plane, in contrast with the Gaussian integers, which form a square lattice...