MathQuarryCalculators

Primes / Is 84 prime?

Is 84 a Prime Number?

No84 = 2^2 x 3 x 7

84 is NOT prime: 2 × 42 = 84. That makes 2 a genuine divisor of 84 beyond 1 and 84 itself. Fully broken down, 84 = 2^2 × 3 × 7, for 12 divisors total. 84 sits between primes 83 and 89, 1 below and 5 above. 84: 2, 3, 4, 6, 7, 12 divide 84 evenly, checked against 2-12. 84 is even, digit sum 12 for 84, digital root 3 for 84. 84 has 3 primes within 10 of 84.

Factors
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
Number of factors
12
Prime?
No
Prime factorization
2^2 x 3 x 7
Even or odd
Even
Square
7056
Cube
592704
Binary
1010100
Hexadecimal
54
Roman numeral
LXXXIV
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Full facts for 84 →Factors of 84 →