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173 (number)
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
.
an
Eisenstein prime
with no
imaginary
part.
a
Sophie Germain prime
.
a
Pythagorean prime
.
a
Higgs prime
.
an
isolated prime
.
a
regular prime
.
a
sexy prime
.
a twice sexy prime (167, 173; 173, 179).
a
truncatable prime
.
an inconsummate number.
the sum of 2 squares: 2<sup>2</sup> + 13<sup>2</sup>.
the sum of three consecutive
prime number
s:
53
+
59
+
61
.
Palindromic number
in bases 3 (20102<sub>3</sub>) and 9 (212<sub>9</sub>).
the 40th prime number following
167
and preceding
179
.
References
External links
Number Facts and Trivia: 173
Prime curiosities: 173
Number Gossip: 173