Binary Numeral System - Base-2
Binary numbers uses only 0 and 1 digits.B denotes binary prefix.
Examples:
101012 = 10101B = 1×24+0×23+1×22+0×21+1×20
= 16+4+1= 21
101112 = 10111B = 1×24+0×23+1×22+1×21+1×20
= 16+4+2+1= 23
1000112 = 100011B = 1×25+0×24+0×23+0×22+1×21+1×20
=32+2+1= 35
Octal Numeral System - Base-8
Octal numbers uses digits from 0..7.Examples:
278 = 2×81+7×80 = 16+7 = 23
308 = 3×81+0×80 = 24
43078 = 4×83+3×82+0×81+7×80= 2247
Decimal Numeral System - Base-10
Decimal numbers uses digits from 0..9.These are the regular numbers that we use.
Example:
253810 = 2×103+5×102+3×101+8×100
Hexadecimal Numeral System - Base-16
Hex numbers uses digits from 0..9 and A..F.H denotes hex prefix.
Examples:
2816 = 28H = 2×161+8×160 = 40
2F16 = 2FH = 2×161+15×160 = 47
BC1216 = BC12H = 11×163+12×162+1×161+2×160= 48146
Numeral systems conversion table |
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