261 in words
261
two hundred sixty-one
261 is written two hundred sixty-one.
Ways to write it
- As an ordinal
- two hundred sixty-first
- Roman numeral
- CCLXI
- Expanded form
- 200 + 60 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 2 | 200 |
| tens | 6 | 60 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 29, 87 and 261 (6 factors)
- First 10 multiples
- 261, 522, 783, 1,044, 1,305, 1,566, 1,827, 2,088, 2,349, 2,610
- Square
- 261 × 261 = 68,121
- Square root
- ≈ 16.16
- Sum of the digits
- 2 + 6 + 1 = 9
- Rounded to the nearest 10
- 260
- Rounded to the nearest 100
- 300
- Number before
- 260
- Number after
- 262
- In binary
100000101
Quick check
What number comes just after 261?
Show the answer
262
Is 261 even or odd?
Show the answer
Odd
What is 261 + 10?
Show the answer
271
Practice 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 261 in words?
261 is written "two hundred sixty-one".
Is 261 a prime number?
No. 261 is a composite number, because it has more than two factors.
What are the factors of 261?
The factors of 261 are 1, 3, 9, 29, 87 and 261.
How do you write 261 in Roman numerals?
261 in Roman numerals is CCLXI.