Ufunuo 13:18

Hapa ndipo penye hekima. Yeye aliye na ufahamu na ahesabu tarakimu za huyo mnyama, kwa maana ni tarakimu za kibinadamu. Tarakimu zake ni 666.

Here is wisdom. Let him that hath understanding count the number of the beast: for it is the number of a man; and his number is Six hundred threescore and six.