import math
t = int(raw_input())
pi = 3.141592653589793
while t>0:
	t-=1
	n = int(raw_input())
	if n==0 or n==1 or n==2 or n==3:
		print 1
		continue
	ans = math.floor((math.log(2*math.acos(-1)*n)/2+n*(math.log(n)-1))/math.log(10))+1
	ans = int(ans)
	
	x = 5
	a2 = 0
	while x <= n:
		a2 = a2 + int(n/x)
		x *= 5
	print ans-a2