13×4
13×4 is the product of the integers 13 and 4. It equals 52. In mathematics, the expression demonstrates the multiplication fact where 13 is added to itself four times or 4 is added to itself thirteen times.
The prime factorization of 13×4 is 2^2 × 13, since 4 = 2^2 and 13 is prime. The
As an area model, a rectangle with sides 13 and 4 units has area 52 square units.
In other bases, 52 decimal equals 110100 in binary and 34 in hexadecimal.
This multiplication fact is commonly taught in elementary school as part of the multiplication table for 13