Binary numeral system

A binary numbers composed of two digits, 0 and 1. This base-2 system is the basis for digital systems. Smallest binary item, called a bit (binary digit).

The binary number can be specified by preceding it with a percent sign (%).

Conversion Table

Binary	Hexadecimal	Decimal
%0000000000000000	$0000	0
%0000000000000001	$0001	1
%0000000000000010	$0002	2
%0000000000000011	$0003	3
%0000000000000100	$0004	4
%0000000000000101	$0005	5
%0000000000000110	$0006	6
%0000000000000111	$0007	7
%0000000000001000	$0008	8
%0000000000001001	$0009	9
%0000000000001010	$000a	10
%0000000000001011	$000b	11
%0000000000001100	$000c	12
%0000000000001101	$000d	13
%0000000000001110	$000e	14
%0000000000001111	$000f	15
%0000000000010000	$0010	16
%0000000000010001	$0011	17
%0000000000010010	$0012	18
%0000000000010011	$0013	19
%0000000000010100	$0014	20
...	...	...
%0000000010011111	$009f	159
%0000000010100000	$00a0	160
...	...	...
%0000000011111111	$00ff	255
%0000000100000000	$0100	256
%0000000100000001	$0101	257

See also

• IntToBin - converts an integer to a binary string representation.
• binStr - Convert integer to string with binary representation.
• Convert to any base
• Procedure

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From the Free Pascal wiki, page "Binary numeral system", as it stood on 2018-02-03 after a change by Djzepi, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.