MathQuarryCalculators

Numbers / 816

The Number 816

816 is composite: factorization 2^4 × 3 × 17. That gives 816 exactly 20 divisors: 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816. 816's proper divisors total 1416, 600 more than 816 itself, so 816 is abundant. 816 has a digit sum of 15; for 816, the digital root works out to 6. 816: 2, 3, 4, 6, 8, 12 all divide 816 evenly, out of 2-12. 816 is 1100110000 in binary and 330 in hex; as a Roman numeral it's DCCCXVI.

Factors
1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816
Number of factors
20
Prime?
No
Prime factorization
2^4 x 3 x 17
Even or odd
Even
Square
665856
Cube
543338496
Binary
1100110000
Hexadecimal
330
Roman numeral
DCCCXVI
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No