138,321 in words
138,321
one hundred and thirty-eight thousand three hundred and twenty-one
138,321 is written one hundred and thirty-eight thousand three hundred and twenty-one.
Ways to write it
- As an ordinal
- one hundred and thirty-eight thousand three hundred and twenty-first
- Expanded form
- 100,000 + 30,000 + 8,000 + 300 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 3 | 30,000 |
| thousands | 8 | 8,000 |
| hundreds | 3 | 300 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 27, 47, 109, 141, 327, 423, 981, 1,269, 2,943, 5,123, 15,369, 46,107 and 138,321 (16 factors)
- First 10 multiples
- 138,321, 276,642, 414,963, 553,284, 691,605, 829,926, 968,247, 1,106,568, 1,244,889, 1,383,210
- Square
- 138,321 × 138,321 = 19,132,699,041
- Square root
- ≈ 371.92
- Sum of the digits
- 1 + 3 + 8 + 3 + 2 + 1 = 18
- Rounded to the nearest 10
- 138,320
- Rounded to the nearest 100
- 138,300
- Rounded to the nearest 1000
- 138,000
- Number before
- 138,320
- Number after
- 138,322
- In binary
100001110001010001
Quick check
What number comes just after 138,321?
Show the answer
138,322
Is 138,321 even or odd?
Show the answer
Odd
What is 138,321 + 10?
Show the answer
138,331
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 138,321 in words?
138,321 is written "one hundred and thirty-eight thousand three hundred and twenty-one".
Is 138,321 a prime number?
No. 138,321 is a composite number, because it has more than two factors.
What are the factors of 138,321?
The factors of 138,321 are 1, 3, 9, 27, 47, 109, 141, 327, 423, 981, 1,269, 2,943, 5,123, 15,369, 46,107 and 138,321.