Convert binary 10101001 to decimal, octal, hexadecimal

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Convert 10101001 from binary How to convert number 10101001 from binary to decimal, octal, hexadecimal?
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Binar number

10101001 to decimal

conversion rule

169

10101001 to octal

conversion rule

251

10101001 to hexadecimal

conversion rule

A9

Binary to Decimal

Convert 10101001₂ to decimal:
10101001₂ = 169₁₀

binary	1	0	1	0	1	0	0	1	step 0
decimal	(1*2⁷) +	(0*2⁶) +	(1*2⁵) +	(0*2⁴) +	(1*2³) +	(0*2²) +	(0*2¹) +	(1*2⁰)	step 1
decimal 169 =	128 +	0 +	32 +	0 +	8 +	0 +	0 +	1	step 2

Binary to Octal

Convert 10101001₂ to octal:
10101001₂ = 10 101 001 = 251₈

binary 10101001 10 101 001	10	101	001	step 0
octal 251	2	5	1	step 1

Binary to Hexadecimal

Convert 10101001₂ to hexadecimal:
10101001₂ = 1010 1001 = A9₁₆

binary 10101001	1010	1001	step 0
hexadecimal A9	A	9	step 1

Convert other numbers:

10100100 10100101 10100110 10100111 10101000 10101001 10101010 10101011 10101100 10101101 10101110

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