21,027 in words
21,027
twenty-one thousand twenty-seven
21,027 is written twenty-one thousand twenty-seven.
Ways to write it
- As an ordinal
- twenty-one thousand twenty-seventh
- Expanded form
- 20,000 + 1,000 + 20 + 7
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 7 | 7 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 43, 129, 163, 489, 7,009 and 21,027 (8 factors)
- First 10 multiples
- 21,027, 42,054, 63,081, 84,108, 105,135, 126,162, 147,189, 168,216, 189,243, 210,270
- Square
- 21,027 × 21,027 = 442,134,729
- Square root
- ≈ 145.01
- Sum of the digits
- 2 + 1 + 0 + 2 + 7 = 12
- Rounded to the nearest 10
- 21,030
- Rounded to the nearest 100
- 21,000
- Rounded to the nearest 1000
- 21,000
- Number before
- 21,026
- Number after
- 21,028
- In binary
101001000100011
Quick check
What number comes just after 21,027?
Show the answer
21,028
Is 21,027 even or odd?
Show the answer
Odd
What is 21,027 + 10?
Show the answer
21,037
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 21,027 in words?
21,027 is written "twenty-one thousand twenty-seven".
Is 21,027 a prime number?
No. 21,027 is a composite number, because it has more than two factors.
What are the factors of 21,027?
The factors of 21,027 are 1, 3, 43, 129, 163, 489, 7,009 and 21,027.