27,121 in words
27,121
twenty-seven thousand one hundred and twenty-one
27,121 is written twenty-seven thousand one hundred and twenty-one.
Ways to write it
- As an ordinal
- twenty-seven thousand one hundred and twenty-first
- Expanded form
- 20,000 + 7,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 7 | 7,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 37, 733 and 27,121 (4 factors)
- First 10 multiples
- 27,121, 54,242, 81,363, 108,484, 135,605, 162,726, 189,847, 216,968, 244,089, 271,210
- Square
- 27,121 × 27,121 = 735,548,641
- Square root
- ≈ 164.68
- Sum of the digits
- 2 + 7 + 1 + 2 + 1 = 13
- Rounded to the nearest 10
- 27,120
- Rounded to the nearest 100
- 27,100
- Rounded to the nearest 1000
- 27,000
- Number before
- 27,120
- Number after
- 27,122
- In binary
110100111110001
Quick check
What number comes just after 27,121?
Show the answer
27,122
Is 27,121 even or odd?
Show the answer
Odd
What is 27,121 + 10?
Show the answer
27,131
Practise 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 27,121 in words?
27,121 is written "twenty-seven thousand one hundred and twenty-one".
Is 27,121 a prime number?
No. 27,121 is a composite number, because it has more than two factors.
What are the factors of 27,121?
The factors of 27,121 are 1, 37, 733 and 27,121.