9841

9841 is a positive integer that is odd and composite. Its prime factorization is 13 × 757, making it a semiprime. Both prime factors are congruent to 1 modulo 4, which implies that 9841 can be expressed as a sum of two squares; a concrete representation is 9841 = 96^2 + 25^2.

In decimal form, the digits of 9841 sum to 22, giving a digital root of 4. The number is not divisible by 2, 3, 5, or 9, and it lies between 99^2 = 9801 and 100^2 = 10000, so it is close to a perfect square but not one itself.

As a semiprime with two primes both congruent to 1 modulo 4, 9841 is sometimes cited in number theory discussions as an example of a number that admits representations as a sum of two squares, illustrating the sum-of-squares theorem and related factorization properties.

Geometrically or computationally, 9841 is used as a test case or example in problems involving factorization, prime factor properties, and representations of integers as sums of two squares. There is no widely recognized constant or named object associated with the number 9841 beyond its role as a specific integer with the described arithmetic characteristics.