173 (number)
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173 is the natural number between 172 and 174. It is also a prime number.
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| Ordinal | One hundred [and] seventy-three |
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| Cardinal | 173rd | ||
| Factorization | prime number | ||
| Roman numeral | CLXXIII | ||
| Binary | 10101101 | ||
| Hexadecimal | A3 | ||
[edit] In mathematics
173 is a prime number, a Sophie Germain prime, the sum of three consecutive primes (53 + 59 + 61), a balanced prime, an Eisenstein prime with no imaginary part.
[edit] In science
It takes around 173 years for all the water in Lake Superior to be changed. [1]
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