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.

(6, 15)

A = 6

B = 15

Sum 21
Difference 9
A × B 90
A ÷ B 0.4
B ÷ A 2.5
GCD 3
LCM 30
Average 10.5

Combination

5005

\[ {}_{ 15 } C_{ 6 } = 5005 \]

Sum of squares

261

\[ 6^2 + 15^2 = 261 \]

Norm

$\sqrt{ 6^2 + 15^2 } = 16.15549442140351$

Geometric mean

9.486832980505138

(6, 15) is amicable?

No

Stirling number of the first kind

0

\[ S(6,\ 15) = 0 \]

Stirling number of the second kind

0

\[ S(6,\ 15) = 0 \]

Jacobi symbol

0

\[ \left(\dfrac{ 6 }{ 15 }\right) = 0 \]

Properties of 6 and 15

Properties of 6 and 15: The GCD and LCM of 6 and 15 are 3 and 30 respectively. 6 + 15 = 21, |6 - 15| = 9, 6 * 15 = 90, 6 / 15 = 0.4, 15 / 6 = 2.5. The average of 6 and 15 is 10.5 and the norm of them is 16.15549442140351. The geometric mean of two numbers is 9.486832980505138.

© 2021 @QED