20102005₁₀ = 5*8⁰ + 6*8¹ + 5*8² + 5*8³ + 3*8⁴ + 5*8⁵ + 4*8⁶ + 1*8⁷ + 1*8⁸ = 114535565₈
20102005₁₀ = 1*2⁰ + 0*2¹ + 1*2² + 0*2³ + 1*2⁴ + 1*2⁵ + 1*2⁶ + 0*2⁷ + 1*2⁸ + 1*2⁹ + 0*2¹⁰ + 1*2¹¹ + 1*2¹² + 1*2¹³ + 0*2¹⁴ + 1*2²⁴+ 0*2²³+ 0*2²²+ 1*2²¹+ 1*2²⁰+ 0*2¹⁹+ 0*2¹⁸+ 1*2¹⁷+ 0*2¹⁶+ 1*2¹⁵ = 1001100101011101101110101₂
20102005₁₀ = 5*16⁰ + 7*16¹ + 11*16² + 11*16³ + 2*16⁴ + 3*16⁵ + 1*16⁶ = 132BB75₁₆
20₁₀ = 4*8⁰ + 2*8¹ = 24₈
20₁₀ = 0*2⁰ + 0*2¹ + 1*2² + 0*2³ + 1*2⁴ = 10100₂
20₁₀ = 4*16⁰ + 1*16¹ = 14₁₆
10₁₀ = 2*8⁰ + 1*8¹ = 12₈
10₁₀ = 0*2⁰ + 1*2¹ + 0*2² + 1*2³ = 1010₂
10₁₀ = 10*16⁰ = A₁₆
2005₁₀ = 5*8⁰ + 2*8¹ + 7*8² + 3*8³ = 3725₈
2005₁₀ = 1*2⁰ + 0*2¹ + 1*2² + 0*2³ + 1*2⁴ + 0*2⁵ + 1*2⁶ + 1*2⁷ + 1*2⁸ + 1*2⁹ + 1*2¹⁰ = 11111010101₂
2005₁₀ = 5*16⁰ + 13*16¹ + 7*16² = 7D5₁₆
#include <iostream>
using namespace std;
int main()
{
int YBorn , YNow ;
cout <<"what year where you born in?"<<endl;
cin >>YBorn;
cout <<"what year is it now?"<<endl;
cin >>YNow;
int YOld=YNow-YBorn;
cout<<"at the end of the year:"<<endl;
cout << "you're " <<YOld << " years old"<<endl;
int MOld = YOld*12;
cout<< "and "<<MOld<<" month old"<<endl;
int DOld=YNow/4-YBorn/4+YOld*365;
cout<<"and "<<DOld<<" days old"<<endl;
int HOld=DOld*24;
cout<<"and "<<HOld<<" hours old"<<endl;
int MinOld=HOld*60;
cout<<"and "<<MinOld<<" minutes old"<<endl;
int SOld=MinOld*60;
cout<<"and "<<SOld<<" seconds old"<<endl;
cout<<"and "<<SOld<<"000 miliseconds old"<<endl;
system("pause");
return 0;
}