80,421 in words
80,421
eighty thousand four hundred and twenty-one
80,421 is written eighty thousand four hundred and twenty-one.
Ways to write it
- As an ordinal
- eighty thousand four hundred and twenty-first
- Expanded form
- 80,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 8 | 80,000 |
| thousands | 0 | 0 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 11, 33, 2,437, 7,311, 26,807 and 80,421 (8 factors)
- First 10 multiples
- 80,421, 160,842, 241,263, 321,684, 402,105, 482,526, 562,947, 643,368, 723,789, 804,210
- Square
- 80,421 × 80,421 = 6,467,537,241
- Square root
- ≈ 283.59
- Sum of the digits
- 8 + 0 + 4 + 2 + 1 = 15
- Rounded to the nearest 10
- 80,420
- Rounded to the nearest 100
- 80,400
- Rounded to the nearest 1000
- 80,000
- Number before
- 80,420
- Number after
- 80,422
- In binary
10011101000100101
Quick check
What number comes just after 80,421?
Show the answer
80,422
Is 80,421 even or odd?
Show the answer
Odd
What is 80,421 + 10?
Show the answer
80,431
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 80,421 in words?
80,421 is written "eighty thousand four hundred and twenty-one".
Is 80,421 a prime number?
No. 80,421 is a composite number, because it has more than two factors.
What are the factors of 80,421?
The factors of 80,421 are 1, 3, 11, 33, 2,437, 7,311, 26,807 and 80,421.