Check the properties of a positive integer to enter the number in the search box. If you input two numbers separated by a space, the properties of the pair like GCD are shown. If you separate two numbers by a comma, the sequences containing those numbers are listed.

(15, 20)

A = 15

B = 20

Sum	35
Difference	5
A × B	300
A ÷ B	0.75
B ÷ A	1.3333333333333333
GCD	5
LCM	60
Average	17.5

Sum of squares

625

\[ 15^2 + 20^2 = 625 \]

Norm

$\sqrt{ 15^2 + 20^2 } = 25.0$

Geometric mean

17.320508075688775

(15, 20) is amicable?

Properties of 15 and 20

Properties of 15 and 20: The GCD and LCM of 15 and 20 are 5 and 60 respectively. 15 + 20 = 35, |15 - 20| = 5, 15 * 20 = 300, 15 / 20 = 0.75, 20 / 15 = 1.3333333333333333. The average of 15 and 20 is 17.5 and the norm of them is 25.0. The geometric mean of two numbers is 17.320508075688775.