# Evaluate log base 2 of 8

Evaluate log base 2 of 8
Rewrite as an equation.
Rewrite in exponential form using the definition of a logarithm. If and are positive real numbers and does not equal , then is equivalent to .
Create equivalent expressions in the equation that all have equal bases.
Since the bases are the same, the two expressions are only equal if the exponents are also equal.
The variable is equal to .
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### Name

Name eight hundred seventy-nine million one hundred eighty-five thousand five hundred five

### Interesting facts

• 879185505 has 8 divisors, whose sum is 1023052416
• The reverse of 879185505 is 505581978
• Previous prime number is 11

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 48
• Digital Root 3

### Name

Name one billion eight hundred fifty-eight million six hundred sixty-nine thousand one hundred eighty-two

### Interesting facts

• 1858669182 has 32 divisors, whose sum is 5019194880
• The reverse of 1858669182 is 2819668581
• Previous prime number is 79

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 54
• Digital Root 9

### Name

Name four hundred four million seven hundred five thousand seven hundred nine

### Interesting facts

• 404705709 has 16 divisors, whose sum is 722136064
• The reverse of 404705709 is 907507404
• Previous prime number is 271

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 36
• Digital Root 9