173 (number)
| ||||
|---|---|---|---|---|
| Cardinal | one hundred seventy-three | |||
| Ordinal | 173rd (one hundred seventy-third) | |||
| Factorization | prime | |||
| Prime | 40th | |||
| Divisors | 1, 173 | |||
| Greek numeral | ΡΟΓ´ | |||
| Roman numeral | CLXXIII, clxxiii | |||
| Binary | 101011012 | |||
| Ternary | 201023 | |||
| Senary | 4456 | |||
| Octal | 2558 | |||
| Duodecimal | 12512 | |||
| Hexadecimal | AD16 | |||
173 (one hundred [and] seventy-three) is the natural number following 172 and preceding 174.
In mathematics
173 is:
- an odd number.
- a deficient number.
- an odious number.
- a balanced prime.[1]
- an Eisenstein prime with no imaginary part.
- a Sophie Germain prime.[2]
- a Pythagorean prime.
- a Higgs prime.
- an isolated prime.
- a regular prime.
- a sexy prime.
- a truncatable prime.
- an inconsummate number.[3]
- the sum of 2 squares: 22 + 132.
- the sum of three consecutive prime numbers: 53 + 59 + 61.
- Palindromic number in bases 3 (201023) and 9 (2129).
- the 40th prime number following 167 and preceding 179.
References
- ^ "Sloane's A006562 : Balanced primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-26.
- ^ "Sloane's A005384 : Sophie Germain primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-26.
- ^ "Sloane's A003635 : Inconsummate numbers in base 10". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-26.
External links
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