387 in words
387
three hundred and eighty-seven
387 is written three hundred and eighty-seven.
Ways to write it
- As an ordinal
- three hundred and eighty-seventh
- Roman numeral
- CCCLXXXVII
- Expanded form
- 300 + 80 + 7
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 3 | 300 |
| tens | 8 | 80 |
| ones | 7 | 7 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 43, 129 and 387 (6 factors)
- First 10 multiples
- 387, 774, 1,161, 1,548, 1,935, 2,322, 2,709, 3,096, 3,483, 3,870
- Square
- 387 × 387 = 1,49,769
- Square root
- ≈ 19.67
- Sum of the digits
- 3 + 8 + 7 = 18
- Rounded to the nearest 10
- 390
- Rounded to the nearest 100
- 400
- Number before
- 386
- Number after
- 388
- In binary
110000011
Quick check
What number comes just after 387?
Show the answer
388
Is 387 even or odd?
Show the answer
Odd
What is 387 + 10?
Show the answer
397
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 387 in words?
387 is written "three hundred and eighty-seven".
Is 387 a prime number?
No. 387 is a composite number, because it has more than two factors.
What are the factors of 387?
The factors of 387 are 1, 3, 9, 43, 129 and 387.
How do you write 387 in Roman numerals?
387 in Roman numerals is CCCLXXXVII.