This is a photo of the USS Constitution  She is the oldest ship in the Navy.
Today is the 240^{th} Navy
Birthday. Of their 240 years of service,
I was part of it for 20 of those years.
Anyways, today they begin their 241^{st} year of service to the
American people. 241 happens to be an
interesting number.
241
241 is an amenable, arithmetic,
deficient, equidigital, Hogben, lucky, odd, odious, pernicious, polite,
prime, Proth, squarefree and Ulam number.
241 is a centered 16gonal number, and a
centered 24gonal number. 241 is also
a concentric square number, and a concentric dodecagonal numbers.
241 is a plaindrome in base 11, base 13,
base 14 and base 15. It is a
nialpdrome in base 3, base 15 and base 16.
And, it is a zygodrome in base 15.
241 is a member of the Tribonacci
sequence that begins with the number 3, 1, and 3.
241, together with 239 form a twin prime
pair. The sum of the digits of 241 is
a prime number. 241 is the
concatenation of two primes: 2 and 41.
241 is also an additive prime, an evenish prime, a Ramanujan prime,
an unsafe prime, a weak prime, and a zeroless prime.
The multiplicative digital root of 241 is
8.
241 is the hypotenuse of a primitive
Pythagorean triple: 241^{2} = 120^{2} + 209^{2}.
241 is the sum of the first 41 decimal
digits of pi. The string 241 occurs at
position 1707 (counting from the first digit after the decimal point). The string 241 occurs 200,146 times in the
first 200 million digits of pi.
241 is the smallest prime p such that p
plus the reversal of p equals a palindromic prime: 241 + 142 = 383. 241 can also be expressed as the sum of an
integer and its reverse: 241 = 170 + 071.
241 can be expressed as the sum of two
squares: 15^{2} + 4^{2}.
It can also be expressed as the difference of two squares: 121^{2}
– 120^{2}.
CCXLI is 241 written in Roman
numerals. σμαʹ is 241 written
in Greek. רמא is 241 written
in Hebrew. 二百四十一 is 241 written
in Chinese.
241 is a palindromic and undulating
number when written in base 12: 181^{12}. It is a palindromic number and a repunit
number when written in base 15: 111_{15}.
241 is found in 5,520 of the integer
sequences cataloged by the Online Encyclopedia of Integer Sequences (www.OEIS.org) according to a
search conducted on 9/26/2015. (I
decide not to try to list them all.)
The radioisotope americium241 is used in
many smoke detectors.

Their 241^{st} year should be a
good year.
Several people have asked me why I joined
the Navy, so I always tell them the truth.
I was in need of a job, some money and an education so I decided to go
talk to the Army recruiters. They told
me a lot about life in the army, but it sounded like a lot of work to me. So I thought I’d go see the Marine Corps
recruiters. They even showed me a movie
about the Marine Corps, but it looked like a lot of work and a lot of polishing. So my next stop was the Air Force
recruiters. They showed me pictures of
Air Force bases with golf courses, swimming pools, tennis courts, and movie
theaters. As I was about to sign up I
thought I should go see the Navy recruiters, even though I thought I would be
back in the Air Force office soon. So I
went down the hall to the Navy recruiting office. The door was locked, the lights were off, and
there was a hand written sign on the door that said “Gone Fishing”. And I thought to myself, “That’s the service
for me!”
David
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