121,380 in words
121,380
one hundred twenty-one thousand three hundred eighty
121,380 is written one hundred twenty-one thousand three hundred eighty.
Ways to write it
- As an ordinal
- one hundred twenty-one thousand three hundred eightieth
- Expanded form
- 100,000 + 20,000 + 1,000 + 300 + 80
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 3 | 300 |
| tens | 8 | 80 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 72 factors: too many to list
- First 10 multiples
- 121,380, 242,760, 364,140, 485,520, 606,900, 728,280, 849,660, 971,040, 1,092,420, 1,213,800
- Square
- 121,380 × 121,380 = 14,733,104,400
- Square root
- ≈ 348.40
- Sum of the digits
- 1 + 2 + 1 + 3 + 8 + 0 = 15
- Rounded to the nearest 10
- 121,380
- Rounded to the nearest 100
- 121,400
- Rounded to the nearest 1000
- 121,000
- Number before
- 121,379
- Number after
- 121,381
- In binary
11101101000100100
Quick check
What number comes just after 121,380?
Show the answer
121,381
Is 121,380 even or odd?
Show the answer
Even
What is 121,380 + 10?
Show the answer
121,390
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 121,380 in words?
121,380 is written "one hundred twenty-one thousand three hundred eighty".
Is 121,380 a prime number?
No. 121,380 is a composite number, because it has more than two factors.