Wiktionary
multidigit
a. Having more than one digit (number).
Usage examples of "multidigit".
Hobson pointed at one of the multidigit numbers in McPhee's flight schedule.
He had used desktop electric calculators before, bulky machines half as big as a typewriter, was used to the whirr of their motors, the ratcheting thunk of turning gears and cams, the wait for everything to finish in a multidigit multiplication.