If vectors $$\overrightarrow{a} = 2\hat{i} + \lambda \hat{j} + \hat{k}$$ and $$\overrightarrow{b} = \hat{i} + 2 \hat{j} + 3 \hat{k}$$ are perpendicular to each other, then value of $$\lambda$$ is

A

$$\frac{2}{5}$$

B

2

C

3

D

$$\frac{5}{2}$$