672,421 in words
672,421
six hundred seventy-two thousand four hundred twenty-one
672,421 is written six hundred seventy-two thousand four hundred twenty-one.
Ways to write it
- As an ordinal
- six hundred seventy-two thousand four hundred twenty-first
- Expanded form
- 600,000 + 70,000 + 2,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 6 | 600,000 |
| ten thousands | 7 | 70,000 |
| thousands | 2 | 2,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 31, 109, 199, 3,379, 6,169, 21,691 and 672,421 (8 factors)
- First 10 multiples
- 672,421, 1,344,842, 2,017,263, 2,689,684, 3,362,105, 4,034,526, 4,706,947, 5,379,368, 6,051,789, 6,724,210
- Square
- 672,421 × 672,421 = 452,150,001,241
- Square root
- ≈ 820.01
- Sum of the digits
- 6 + 7 + 2 + 4 + 2 + 1 = 22
- Rounded to the nearest 10
- 672,420
- Rounded to the nearest 100
- 672,400
- Rounded to the nearest 1000
- 672,000
- Number before
- 672,420
- Number after
- 672,422
- In binary
10100100001010100101
Quick check
What number comes just after 672,421?
Show the answer
672,422
Is 672,421 even or odd?
Show the answer
Odd
What is 672,421 + 10?
Show the answer
672,431
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 672,421 in words?
672,421 is written "six hundred seventy-two thousand four hundred twenty-one".
Is 672,421 a prime number?
No. 672,421 is a composite number, because it has more than two factors.
What are the factors of 672,421?
The factors of 672,421 are 1, 31, 109, 199, 3,379, 6,169, 21,691 and 672,421.