#include <bits/stdc++.h>
using namespace std;
const double pi = 3.14159265358979323846, eps = 0.000001;
const long long M = 1e9 + 7, I = 1e18;
const int mxn = 1e6, mxn1 = 1e7, lg = 20;
long long arr[mxn + 1], ans[mxn + 1];
int l = 0, r;
bool vis[mxn + 1];
vector<long long> smp;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  ;
  ans[1] = 1;
  for (int i = 2; i <= mxn; i++) {
    if (!vis[i]) {
      smp.push_back(i);
      for (long long j = (long long)i * (long long)i; j <= mxn; j += i)
        vis[j] = 1;
    }
    if (smp[0] * smp[0] > i) {
      ans[i] = (int)smp.size() + 1;
      continue;
    }
    r = (int)smp.size();
    while (r - l > 1) {
      long long m = (r + l) / 2;
      if (smp[m] * smp[m] <= i)
        l = (int)m;
      else
        r = (int)m;
    }
    ans[i] = (int)smp.size() - l;
  }
  int t;
  cin >> t;
  for (int i = 0; i < t; i++) {
    int k;
    cin >> k;
    cout << ans[k] << "\n";
  }
}
