MathQuarryCalculators

Primes / Is 351 prime?

Is 351 a Prime Number?

No351 = 3^3 x 13

351 is NOT prime: 3 × 117 = 351. That makes 3 a genuine divisor of 351 beyond 1 and 351 itself. Fully broken down, 351 = 3^3 × 13, for 8 divisors total. 351 sits between primes 349 and 353, 2 below and 2 above. 351: 3, 9 divide 351 evenly, checked against 2-12. 351 is odd, digit sum 9 for 351, digital root 9 for 351. 351 has 4 primes within 10 of 351.

Factors
1, 3, 9, 13, 27, 39, 117, 351
Number of factors
8
Prime?
No
Prime factorization
3^3 x 13
Even or odd
Odd
Square
123201
Cube
43243551
Binary
101011111
Hexadecimal
15F
Roman numeral
CCCLI
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
Yes
Fibonacci number?
No
Full facts for 351 →Factors of 351 →