173 in words
173
one hundred and seventy-three
173 is written one hundred and seventy-three.
Ways to write it
- As an ordinal
- one hundred and seventy-third
- Roman numeral
- CLXXIII
- Expanded form
- 100 + 70 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 1 | 100 |
| tens | 7 | 70 |
| ones | 3 | 3 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 173 (2 factors)
- First 10 multiples
- 173, 346, 519, 692, 865, 1,038, 1,211, 1,384, 1,557, 1,730
- Square
- 173 × 173 = 29,929
- Square root
- ≈ 13.15
- Sum of the digits
- 1 + 7 + 3 = 11
- Rounded to the nearest 10
- 170
- Rounded to the nearest 100
- 200
- Number before
- 172
- Number after
- 174
- In binary
10101101
Quick check
What number comes just after 173?
Show the answer
174
Is 173 even or odd?
Show the answer
Odd
What is 173 + 10?
Show the answer
183
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 173 in words?
173 is written "one hundred and seventy-three".
Is 173 a prime number?
Yes. 173 is a prime number: its only factors are 1 and 173.
What are the factors of 173?
The factors of 173 are 1 and 173.
How do you write 173 in Roman numerals?
173 in Roman numerals is CLXXIII.