Factor x^2+4x-21
Consider the form . Find a pair of integers whose product is and whose sum is . In this case, whose product is and whose sum is .
Write the factored form using these integers.
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Name
| Name | eight hundred thirty-six million two hundred six thousand three hundred seventy-two |
|---|
Interesting facts
- 836206372 has 8 divisors, whose sum is 1881464346
- The reverse of 836206372 is 273602638
- Previous prime number is 2
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 37
- Digital Root 1
Name
| Name | one billion three hundred thirty-six million fifty-four thousand eight hundred twenty-two |
|---|
Interesting facts
- 1336054822 has 8 divisors, whose sum is 2021817816
- The reverse of 1336054822 is 2284506331
- Previous prime number is 113
Basic properties
- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 34
- Digital Root 7
Name
| Name | one billion six hundred sixty-seven million six hundred seventy-two thousand six hundred sixty-eight |
|---|
Interesting facts
- 1667672668 has 16 divisors, whose sum is 3755802960
- The reverse of 1667672668 is 8662767661
- Previous prime number is 1063
Basic properties
- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 55
- Digital Root 1