MathQuarryCalculators

Factors / Factors of 84

Factors of 84

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

84 breaks into 6 pairs, tested up to √84 ≈ 9.2; each pair multiplies back to 84 exactly. 84's full pair list is (1, 84), (2, 42), (3, 28), (4, 21), (6, 14), (7, 12), for 12 divisors in total. 84's divisors other than 84 itself sum to 140, 56 above 84: abundant. 84 is even, digit sum 12 for 84; small divisors of 84 include 2, 3, 4, 6, 7. 84 has 12 divisors; 83 has 2 and 85 has 4, so 84 wins here. 84 divided by its largest divisor, 42, gives 2.

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 →Is 84 prime? →