16,401 in words
16,401
sixteen thousand four hundred and one
16,401 is written sixteen thousand four hundred and one.
Ways to write it
- As an ordinal
- sixteen thousand four hundred and first
- Expanded form
- 10,000 + 6,000 + 400 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 6 | 6,000 |
| hundreds | 4 | 400 |
| tens | 0 | 0 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1,491, 2,343, 5,467 and 16,401 (16 factors)
- First 10 multiples
- 16,401, 32,802, 49,203, 65,604, 82,005, 98,406, 114,807, 131,208, 147,609, 164,010
- Square
- 16,401 × 16,401 = 268,992,801
- Square root
- ≈ 128.07
- Sum of the digits
- 1 + 6 + 4 + 0 + 1 = 12
- Rounded to the nearest 10
- 16,400
- Rounded to the nearest 100
- 16,400
- Rounded to the nearest 1000
- 16,000
- Number before
- 16,400
- Number after
- 16,402
- In binary
100000000010001
Quick check
What number comes just after 16,401?
Show the answer
16,402
Is 16,401 even or odd?
Show the answer
Odd
What is 16,401 + 10?
Show the answer
16,411
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 16,401 in words?
16,401 is written "sixteen thousand four hundred and one".
Is 16,401 a prime number?
No. 16,401 is a composite number, because it has more than two factors.
What are the factors of 16,401?
The factors of 16,401 are 1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1,491, 2,343, 5,467 and 16,401.