169 in words
169
one hundred and sixty-nine
169 is written one hundred and sixty-nine.
Ways to write it
- As an ordinal
- one hundred and sixty-ninth
- Roman numeral
- CLXIX
- Expanded form
- 100 + 60 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 1 | 100 |
| tens | 6 | 60 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 13 and 169 (3 factors)
- First 10 multiples
- 169, 338, 507, 676, 845, 1,014, 1,183, 1,352, 1,521, 1,690
- Square
- 169 × 169 = 28,561
- Square root
- 13
- Sum of the digits
- 1 + 6 + 9 = 16
- Rounded to the nearest 10
- 170
- Rounded to the nearest 100
- 200
- Number before
- 168
- Number after
- 170
- In binary
10101001
Quick check
What number comes just after 169?
Show the answer
170
Is 169 even or odd?
Show the answer
Odd
What is 169 + 10?
Show the answer
179
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 169 in words?
169 is written "one hundred and sixty-nine".
Is 169 a prime number?
No. 169 is a composite number, because it has more than two factors.
What are the factors of 169?
The factors of 169 are 1, 13 and 169.
How do you write 169 in Roman numerals?
169 in Roman numerals is CLXIX.