If 17^4*13^4*9^4*8^4 = x, what is the units digit of x

If 17^4*13^4*9^4*8^4 = x, what is the units digit of x ?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #89884