355 in words
355
three hundred and fifty-five
355 is written three hundred and fifty-five.
Ways to write it
- As an ordinal
- three hundred and fifty-fifth
- Roman numeral
- CCCLV
- Expanded form
- 300 + 50 + 5
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 3 | 300 |
| tens | 5 | 50 |
| ones | 5 | 5 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 5, 71 and 355 (4 factors)
- First 10 multiples
- 355, 710, 1,065, 1,420, 1,775, 2,130, 2,485, 2,840, 3,195, 3,550
- Square
- 355 × 355 = 126,025
- Square root
- ≈ 18.84
- Sum of the digits
- 3 + 5 + 5 = 13
- Rounded to the nearest 10
- 360
- Rounded to the nearest 100
- 400
- Number before
- 354
- Number after
- 356
- In binary
101100011
Quick check
What number comes just after 355?
Show the answer
356
Is 355 even or odd?
Show the answer
Odd
What is 355 + 10?
Show the answer
365
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 355 in words?
355 is written "three hundred and fifty-five".
Is 355 a prime number?
No. 355 is a composite number, because it has more than two factors.
What are the factors of 355?
The factors of 355 are 1, 5, 71 and 355.
How do you write 355 in Roman numerals?
355 in Roman numerals is CCCLV.