# include <bits/stdc++.h>
using namespace std;

vector<int> shu;
int y[1000003];

void su(int s){
	bool d;
	shu.push_back(0);
	shu.push_back(2);
	y[2]=shu.size()-1;
	for(int i=3;i<=s;i+=2)
	{
		d=1;
		for(int j=2;j<=sqrt(i);j++)
		{
			if(i%j==0)
			{
				d=0;
				break;
			}
		}
		if(d)
		{
			shu.push_back(i);
			y[i]=shu.size()-1;
		}
	}
}
int top(int s){
	int i=0;
	while(s){
		s=s>>1;
		i++;
	}
	return (1<<i)-1;
}
int max(int a, int b){
	return a>b?a:b;
}

int main(){

	ios::sync_with_stdio (0);
	cin.tie (0);cout.tie (0);
	
	int n,sum,b;
	cin>>n;
	const int N=n;
	int a[N+2];
	
	n=0;
	for(int i=1;i<=N;i++) 
	{
		cin>>a[i];
		n=max(n,a[i]);
	}
	su(top(n));
	
	for(int i=1;i<=N;i++)
	{
		if(a[i]==1)
		{
			cout<<0<<endl;
			continue; 
		} 
		sum=0;
		b=top(a[i]);
		while(y[b]==0) b--;
		for(int j=1;j<=y[b];j++)
		{
			if((a[i]^shu.at(j))<=a[i])
			{
				sum++;
			}
		}
		cout<<sum<<endl;
	}
	return 0;
}

为什么数据到2的19次方会报错？求指正