355,421 in words
355,421
three hundred fifty-five thousand four hundred twenty-one
355,421 is written three hundred fifty-five thousand four hundred twenty-one.
Ways to write it
- As an ordinal
- three hundred fifty-five thousand four hundred twenty-first
- Expanded form
- 300,000 + 50,000 + 5,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 3 | 300,000 |
| ten thousands | 5 | 50,000 |
| thousands | 5 | 5,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 11, 79, 409, 869, 4,499, 32,311 and 355,421 (8 factors)
- First 10 multiples
- 355,421, 710,842, 1,066,263, 1,421,684, 1,777,105, 2,132,526, 2,487,947, 2,843,368, 3,198,789, 3,554,210
- Square
- 355,421 × 355,421 = 126,324,087,241
- Square root
- ≈ 596.17
- Sum of the digits
- 3 + 5 + 5 + 4 + 2 + 1 = 20
- Rounded to the nearest 10
- 355,420
- Rounded to the nearest 100
- 355,400
- Rounded to the nearest 1000
- 355,000
- Number before
- 355,420
- Number after
- 355,422
- In binary
1010110110001011101
Quick check
What number comes just after 355,421?
Show the answer
355,422
Is 355,421 even or odd?
Show the answer
Odd
What is 355,421 + 10?
Show the answer
355,431
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 355,421 in words?
355,421 is written "three hundred fifty-five thousand four hundred twenty-one".
Is 355,421 a prime number?
No. 355,421 is a composite number, because it has more than two factors.
What are the factors of 355,421?
The factors of 355,421 are 1, 11, 79, 409, 869, 4,499, 32,311 and 355,421.