23,491 in words
23,491
twenty-three thousand four hundred ninety-one
23,491 is written twenty-three thousand four hundred ninety-one.
Ways to write it
- As an ordinal
- twenty-three thousand four hundred ninety-first
- Expanded form
- 20,000 + 3,000 + 400 + 90 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 3 | 3,000 |
| hundreds | 4 | 400 |
| tens | 9 | 90 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 13, 139, 169, 1,807 and 23,491 (6 factors)
- First 10 multiples
- 23,491, 46,982, 70,473, 93,964, 117,455, 140,946, 164,437, 187,928, 211,419, 234,910
- Square
- 23,491 × 23,491 = 551,827,081
- Square root
- ≈ 153.27
- Sum of the digits
- 2 + 3 + 4 + 9 + 1 = 19
- Rounded to the nearest 10
- 23,490
- Rounded to the nearest 100
- 23,500
- Rounded to the nearest 1000
- 23,000
- Number before
- 23,490
- Number after
- 23,492
- In binary
101101111000011
Quick check
What number comes just after 23,491?
Show the answer
23,492
Is 23,491 even or odd?
Show the answer
Odd
What is 23,491 + 10?
Show the answer
23,501
Practice 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 23,491 in words?
23,491 is written "twenty-three thousand four hundred ninety-one".
Is 23,491 a prime number?
No. 23,491 is a composite number, because it has more than two factors.
What are the factors of 23,491?
The factors of 23,491 are 1, 13, 139, 169, 1,807 and 23,491.