387,021 in words
387,021
three hundred and eighty-seven thousand and twenty-one
387,021 is written three hundred and eighty-seven thousand and twenty-one.
Ways to write it
- As an ordinal
- three hundred and eighty-seven thousand and twenty-first
- Expanded form
- 300,000 + 80,000 + 7,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 3 | 300,000 |
| ten thousands | 8 | 80,000 |
| thousands | 7 | 7,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 23, 69, 71, 79, 213, 237, 1,633, 1,817, 4,899, 5,451, 5,609, 16,827, 129,007 and 387,021 (16 factors)
- First 10 multiples
- 387,021, 774,042, 1,161,063, 1,548,084, 1,935,105, 2,322,126, 2,709,147, 3,096,168, 3,483,189, 3,870,210
- Square
- 387,021 × 387,021 = 149,785,254,441
- Square root
- ≈ 622.11
- Sum of the digits
- 3 + 8 + 7 + 0 + 2 + 1 = 21
- Rounded to the nearest 10
- 387,020
- Rounded to the nearest 100
- 387,000
- Rounded to the nearest 1000
- 387,000
- Number before
- 387,020
- Number after
- 387,022
- In binary
1011110011111001101
Quick check
What number comes just after 387,021?
Show the answer
387,022
Is 387,021 even or odd?
Show the answer
Odd
What is 387,021 + 10?
Show the answer
387,031
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
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How do you write 387,021 in words?
387,021 is written "three hundred and eighty-seven thousand and twenty-one".
Is 387,021 a prime number?
No. 387,021 is a composite number, because it has more than two factors.
What are the factors of 387,021?
The factors of 387,021 are 1, 3, 23, 69, 71, 79, 213, 237, 1,633, 1,817, 4,899, 5,451, 5,609, 16,827, 129,007 and 387,021.