414

414 = 2 x 3² x 23

414 is a value of n for which n⁴, n⁵, n⁶, and n⁷ have the same digit sum.

414² = 171,396 = (17 + 1 + 396)².

414 is 636 in base 8.


414 is the telephone area code for Milwaukee, Wisconsin.

Source: What’s Special About This Number?