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odd, composite · 387th positive integer

The number 387

387 is an odd composite number. It is the 387th positive integer.

Quick reference

Prime factorization3 × 3 × 43
Divisors1, 3, 9, 43, 129, 387
Binary110000011
Hexadecimal0x183
Roman numeralCCCLXXXVII
Digit sum18
Propertiesodd, composite

Frequently asked

Is 387 a prime number?

No. 387 is composite. Its prime factorization is 3 × 3 × 43.

What are the factors of 387?

The factors (divisors) of 387 are 1, 3, 9, 43, 129, 387.

What is 387 in binary?

387 in binary is 110000011. In hexadecimal it's 183.

What is 387 as a Roman numeral?

387 in Roman numerals is CCCLXXXVII.

What's the digit sum of 387?

Adding the digits of 387: 3 + 8 + 7 = 18.

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