MathQuarryCalculators

Numbers / 812

The Number 812

812 is composite: factorization 2^2 × 7 × 29. That gives 812 exactly 12 divisors: 1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812. 812's proper divisors total 868, 56 more than 812 itself, so 812 is abundant. 812 has a digit sum of 11; for 812, the digital root works out to 2. 812: 2, 4, 7 all divide 812 evenly, out of 2-12. 812 is 1100101100 in binary and 32C in hex; as a Roman numeral it's DCCCXII.

Factors
1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812
Number of factors
12
Prime?
No
Prime factorization
2^2 x 7 x 29
Even or odd
Even
Square
659344
Cube
535387328
Binary
1100101100
Hexadecimal
32C
Roman numeral
DCCCXII
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No