Monday, September 19, 2011
551
551
= 19 x 29.
551
is the sum of three consecutive primes:
551
=
179
+
181
+ 191.
551
is a centered decagonal number.
551
is the number of
trees
with 12 vertices.
551
is 202102 in base 3 and 20213 in base 4.
551
is a divisor of 30
3
- 1.
551
Ortrud
is an asteroid discovered in 1904.
Source:
What's Special About This Number?
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