# Factor 9x^2-1

Factor 9x^2-1
Rewrite as .
Rewrite as .
Since both terms are perfect squares, factor using the difference of squares formula, where and .
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### Name

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

### Interesting facts

• 1202869552 has 64 divisors, whose sum is 6093711000
• The reverse of 1202869552 is 2559682021
• Previous prime number is 1499

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 40
• Digital Root 4

### Name

Name five hundred forty-seven million four hundred fifty thousand five hundred ninety

### Interesting facts

• 547450590 has 32 divisors, whose sum is 1317123360
• The reverse of 547450590 is 095054745
• Previous prime number is 409

### Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 39
• Digital Root 3

### Name

Name nine hundred ninety-one million three hundred eighteen thousand eight

### Interesting facts

• 991318008 has 256 divisors, whose sum is 5094835200
• The reverse of 991318008 is 800813199
• Previous prime number is 19

### Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 39
• Digital Root 3