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Numbers / 170

The Number 170

170 is composite: factorization 2 × 5 × 17. That gives 170 exactly 8 divisors: 1, 2, 5, 10, 17, 34, 85, 170. 170's proper divisors total just 154, 16 short of 170, the deficient case most of 170's neighbors share too. 170 has a digit sum of 8; for 170, the digital root works out to 8. 170: 2, 5, 10 all divide 170 evenly, out of 2-12. 170 is 10101010 in binary and AA in hex; as a Roman numeral it's CLXX.

Factors
1, 2, 5, 10, 17, 34, 85, 170
Number of factors
8
Prime?
No
Prime factorization
2 x 5 x 17
Even or odd
Even
Square
28900
Cube
4913000
Binary
10101010
Hexadecimal
AA
Roman numeral
CLXX
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 170 in detail →Is 170 prime? →