Convert binary 1111001 to decimal, octal, hexadecimal

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Convert 1111001 from binary How to convert number 1111001 from binary to decimal, octal, hexadecimal?
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Binar number

1111001 to decimal

conversion rule

121

1111001 to octal

conversion rule

171

1111001 to hexadecimal

conversion rule

79

Binary to Decimal

Convert 1111001₂ to decimal:
1111001₂ = 121₁₀

binary	1	1	1	1	0	0	1	step 0
decimal	(1*2⁶) +	(1*2⁵) +	(1*2⁴) +	(1*2³) +	(0*2²) +	(0*2¹) +	(1*2⁰)	step 1
decimal 121 =	64 +	32 +	16 +	8 +	0 +	0 +	1	step 2

Binary to Octal

Convert 1111001₂ to octal:
1111001₂ = 1 111 001 = 171₈

binary 1111001 1 111 001	1	111	001	step 0
octal 171	1	7	1	step 1

Binary to Hexadecimal

Convert 1111001₂ to hexadecimal:
1111001₂ = 111 1001 = 79₁₆

binary 1111001	111	1001	step 0
hexadecimal 79	7	9	step 1

Convert other numbers:

1110100 1110101 1110110 1110111 1111000 1111001 1111010 1111011 1111100 1111101 1111110

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