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Numbers / 198

The Number 198

198 is composite: factorization 2 × 3^2 × 11. That gives 198 exactly 12 divisors: 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198. 198's proper divisors total 270, 72 more than 198 itself, so 198 is abundant. 198 has a digit sum of 18; for 198, the digital root works out to 9. 198: 2, 3, 6, 9, 11 all divide 198 evenly, out of 2-12. 198 is 11000110 in binary and C6 in hex; as a Roman numeral it's CXCVIII.

Factors
1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198
Number of factors
12
Prime?
No
Prime factorization
2 x 3^2 x 11
Even or odd
Even
Square
39204
Cube
7762392
Binary
11000110
Hexadecimal
C6
Roman numeral
CXCVIII
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 198 in detail →Is 198 prime? →