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Numbers / 207

The Number 207

207 is composite: factorization 3^2 × 23. That gives 207 exactly 6 divisors: 1, 3, 9, 23, 69, 207. 207's proper divisors total just 105, 102 short of 207, the deficient case most of 207's neighbors share too. 207 has a digit sum of 9; for 207, the digital root works out to 9. 207: 3, 9 all divide 207 evenly, out of 2-12. 207 is 11001111 in binary and CF in hex; as a Roman numeral it's CCVII.

Factors
1, 3, 9, 23, 69, 207
Number of factors
6
Prime?
No
Prime factorization
3^2 x 23
Even or odd
Odd
Square
42849
Cube
8869743
Binary
11001111
Hexadecimal
CF
Roman numeral
CCVII
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 207 in detail →Is 207 prime? →