decimal 255
Count them: FF(16)=255(10)=11111111(2)
The hex code #FF0000 is pure red. Hexadecimal colors are given in Red, Green, Blue as a number in the hexadecimal number system. The number FF, in hex, is the same as the number 255 in decimal. Pure blue? #0000FF Pure green? #00FF00 And any of the 16 million or so other colors hex is capable of.
The hexadecimal of black, assuming that "black" is an ASCII character string is 0x626c61636b. If you mean RGB, it is R=00H, G=00H, B=00H, or 000000H combined.
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(); } }
Considering the lowest five digit hexadecimal number is 10000 (65,536) and the highest is FFFFF (1,048,575), there are 983,040 different hexadecimal numbers that are five digits.
FF
FF-FF-FF-FF-FF-FF
255 = ff
100, which equals 163 in hexadecimal.
hexadecimal numbers are the a positional numeral system with a radix, or base, of 16.16 distinct symbols are used in the hexadecimal numbers.
The color charts many see on the web are HTML codes which contain both numbers and letters. The simplest answer is that both the numbers and letters are used in the hexadecimal numeral system. For example, FF in hexadecimal equals 255.
Eight.
Count them: FF(16)=255(10)=11111111(2)
111111 in binary is 255 in decimal which is FF in hexadecimal (i.e. 15 units and 15 16s)
hexadecimal numbers are the a positional numeral system with a radix, or base, of 16.16 distinct symbols are used in the hexadecimal numbers.
since bits are 0 & 1 in binary then 11111111 in binary = 256 in decimal = 377 in octal = FF in hexadecimal
255 in decimal. 377 in octal. 11111111 in binary.