MathQuarryCalculators

Primes / Is 423 prime?

Is 423 a Prime Number?

No423 = 3^2 x 47

423 is NOT prime: 3 × 141 = 423. That makes 3 a genuine divisor of 423 beyond 1 and 423 itself. Fully broken down, 423 = 3^2 × 47, for 6 divisors total. 423 sits between primes 421 and 431, 2 below and 8 above. 423: 3, 9 divide 423 evenly, checked against 2-12. 423 is odd, digit sum 9 for 423, digital root 9 for 423. 423 has 4 primes within 10 of 423.

Factors
1, 3, 9, 47, 141, 423
Number of factors
6
Prime?
No
Prime factorization
3^2 x 47
Even or odd
Odd
Square
178929
Cube
75686967
Binary
110100111
Hexadecimal
1A7
Roman numeral
CDXXIII
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Full facts for 423 →Factors of 423 →