342,921 in words
342,921
three hundred forty-two thousand nine hundred twenty-one
342,921 is written three hundred forty-two thousand nine hundred twenty-one.
Ways to write it
- As an ordinal
- three hundred forty-two thousand nine hundred twenty-first
- Expanded form
- 300,000 + 40,000 + 2,000 + 900 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 3 | 300,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 9 | 900 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 151, 453, 757, 2,271, 114,307 and 342,921 (8 factors)
- First 10 multiples
- 342,921, 685,842, 1,028,763, 1,371,684, 1,714,605, 2,057,526, 2,400,447, 2,743,368, 3,086,289, 3,429,210
- Square
- 342,921 × 342,921 = 117,594,812,241
- Square root
- ≈ 585.59
- Sum of the digits
- 3 + 4 + 2 + 9 + 2 + 1 = 21
- Rounded to the nearest 10
- 342,920
- Rounded to the nearest 100
- 342,900
- Rounded to the nearest 1000
- 343,000
- Number before
- 342,920
- Number after
- 342,922
- In binary
1010011101110001001
Quick check
What number comes just after 342,921?
Show the answer
342,922
Is 342,921 even or odd?
Show the answer
Odd
What is 342,921 + 10?
Show the answer
342,931
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 342,921 in words?
342,921 is written "three hundred forty-two thousand nine hundred twenty-one".
Is 342,921 a prime number?
No. 342,921 is a composite number, because it has more than two factors.
What are the factors of 342,921?
The factors of 342,921 are 1, 3, 151, 453, 757, 2,271, 114,307 and 342,921.