#include <bits/stdc++.h>
#define rep(i, l, r) for (int i = (l); i < (r); i++)
using namespace std;

typedef long long ll;

int main() {
    set<ll> st;
    rep(i, 2, 1000001) {
        //cout << i << endl;
        for (ll j = 1LL * i * i; j <= 1e18 / i; j *= i) {
            ll x = j * i, y = sqrt(x);
            if (x != y * y) st.insert(x);
        }
    }
    //cout << st.size() << endl;
    //for (ll i : st) cout << i << " ";
    vector<ll> vc(0);
    for (ll i : st) vc.push_back(i);
    sort(vc.begin(), vc.end());
    int T;
    cin >> T;
    while (T-- > 0) {
        ll K;
        cin >> K;
        priority_queue<ll> ans = {};
        for (ll i = K; i > max(0LL, (ll)(K - vc.size())); i--) {
            ans.push(i * i);
            //cout << i * i << ":";
            //cout << ans.size() << endl;
        }
        //cout << ans.size() << endl;
        for (ll i : vc) {
            ans.push(i);
            ans.pop();
        }
        cout << ans.top() << endl;
        /*
        cout << ans.size() << endl;
        while (!ans.empty()) {
            cout << ans.top() << ";";
            ans.pop();
        }
        */
    }
    //rep(i, 0, 100) cout << vc[vc.size() - 1 - i] << " ";
}