Convert binary 100010101 to decimal, octal, hexadecimal

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Convert 100010101 from binary How to convert number 100010101 from binary to decimal, octal, hexadecimal?
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Binar number

100010101 to decimal

conversion rule

277

100010101 to octal

conversion rule

425

100010101 to hexadecimal

conversion rule

115

Binary to Decimal

Convert 100010101₂ to decimal:
100010101₂ = 277₁₀

binary	1	0	0	0	1	0	1	0	1	step 0
decimal	(1*2⁸) +	(0*2⁷) +	(0*2⁶) +	(0*2⁵) +	(1*2⁴) +	(0*2³) +	(1*2²) +	(0*2¹) +	(1*2⁰)	step 1
decimal 277 =	256 +	0 +	0 +	0 +	16 +	0 +	4 +	0 +	1	step 2

Binary to Octal

Convert 100010101₂ to octal:
100010101₂ = 100 010 101 = 425₈

binary 100010101 100 010 101	100	010	101	step 0
octal 425	4	2	5	step 1

Binary to Hexadecimal

Convert 100010101₂ to hexadecimal:
100010101₂ = 1 0001 0101 = 115₁₆

binary 100010101	1	0001	0101	step 0
hexadecimal 115	1	1	5	step 1

Convert other numbers:

100010000 100010001 100010010 100010011 100010100 100010101 100010110 100010111 100011000 100011001 100011010

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