142,121 in words
142,121
one hundred forty-two thousand one hundred twenty-one
142,121 is written one hundred forty-two thousand one hundred twenty-one.
Ways to write it
- As an ordinal
- one hundred forty-two thousand one hundred twenty-first
- Expanded form
- 100,000 + 40,000 + 2,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 79, 257, 553, 1,799, 20,303 and 142,121 (8 factors)
- First 10 multiples
- 142,121, 284,242, 426,363, 568,484, 710,605, 852,726, 994,847, 1,136,968, 1,279,089, 1,421,210
- Square
- 142,121 × 142,121 = 20,198,378,641
- Square root
- ≈ 376.99
- Sum of the digits
- 1 + 4 + 2 + 1 + 2 + 1 = 11
- Rounded to the nearest 10
- 142,120
- Rounded to the nearest 100
- 142,100
- Rounded to the nearest 1000
- 142,000
- Number before
- 142,120
- Number after
- 142,122
- In binary
100010101100101001
Quick check
What number comes just after 142,121?
Show the answer
142,122
Is 142,121 even or odd?
Show the answer
Odd
What is 142,121 + 10?
Show the answer
142,131
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 142,121 in words?
142,121 is written "one hundred forty-two thousand one hundred twenty-one".
Is 142,121 a prime number?
No. 142,121 is a composite number, because it has more than two factors.
What are the factors of 142,121?
The factors of 142,121 are 1, 7, 79, 257, 553, 1,799, 20,303 and 142,121.