Friday, February 5, 2010
925
925
= 5
2
x 37.
925
has three representations as a sum of two squares:
925
= 5
2
+ 30
2
= 14
2
+ 27
2
= 21
2
+ 22
2
.
925
is the hypotenuse of two primitive Pythagorean triples:
925
2
= 43
2
+ 924
2
= 533
2
+ 756
2
.
925
is 1021021 in base 3 and 4141 in base 6.
925
is a
pentagonal number
.
Asteroid
925
Alphonsina
was discovered in 1920.
Source:
Wolfram MathWorld
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