These are the hexadecimal digits and their decimal equivalents: 0 = 0 1 = 1 ... 9 = 9 A = 10 B = 11 ... F = 15
It is FFFFFF.
1A
1101111010101101 in binary is equal to DEAD in hexadecimal.
111111 in binary is 255 in decimal which is FF in hexadecimal (i.e. 15 units and 15 16s)
15
These are the hexadecimal digits and their decimal equivalents: 0 = 0 1 = 1 ... 9 = 9 A = 10 B = 11 ... F = 15
The value in hexadecimal of the decimal number 999910 is F41E6.
F if excluding the (-) sign in it. else it's 2's compliment of F. F1
DCE means: Data Carrier Equipment Hexadecimal value in decimal: 3192
15 in the hexadecimal number system is represented by 21 in the decimal system.
12.
import java.util.Scanner; public class NumberSystem { public void displayConversion() { Scanner input = new Scanner(System.in); System.out.printf("%-20s%-20s%-20s%-20s\n", "Decimal", "Binary", "Octal", "Hexadecimal"); for ( int i = 1; i <= 256; i++ ) { String binary = Integer.toBinaryString(i); String octal = Integer.toOctalString(i); String hexadecimal = Integer.toHexString(i); System.out.format("%-20d%-20s%-20s%-20s\n", i, binary, octal, hexadecimal); } } // returns a string representation of the decimal number in binary public String toBinaryString( int dec ) { String binary = " "; while (dec >= 1 ) { int value = dec % 2; binary = value + binary; dec /= 2; } return binary; } //returns a string representation of the number in octal public String toOctalString( int dec ) { String octal = " "; while ( dec >= 1 ) { int value = dec % 8; octal = value + octal; dec /= 8; } return octal; } public String toHexString( int dec ) { String hexadecimal = " "; while ( dec >= 1 ) { int value = dec % 16; switch (value) { case 10: hexadecimal = "A" + hexadecimal; break; case 11: hexadecimal = "B" + hexadecimal; break; case 12: hexadecimal = "C" + hexadecimal; break; case 13: hexadecimal = "D" + hexadecimal; break; case 14: hexadecimal = "E" + hexadecimal; break; case 15: hexadecimal = "F" + hexadecimal; break; default: hexadecimal = value + hexadecimal; break; } dec /= 16; } return hexadecimal; } public static void main( String args[]) { NumberSystem apps = new NumberSystem(); apps.displayConversion(); } }
It is FFFFFF.
Decimal Value: 469 Hexadecimal Value: 1D5
A
1A