Today 23 9 (september 23)
It is a prime number. The next is 241, with which it forms a pair of twin primes. 239 is a Sophie Germain prime and a Newman–Shanks–Williams prime. It is an Eisenstein prime with no imaginary part and real part of the form 3n − 1 (with no exponentiation implied). Because the next odd number, 241 is prime, 239 is a Chen prime. 239 is also a happy number.
239 is also:
K239 is Mozart's only work for two orchestras.
239 is the atomic mass number of the most common isotope of plutonium, Pu-239
The years A.D. 239 and 239 BC.
239 is an area code representing part of Florida in the United States
239 is a world-famous lyceum of physics in mathematics in Saint-Petersburg, Russia.
In The Simpsons episode "Homer's Night Out", Homer weighs himself and resolves to exercise. Six months later he weighs himself again and again resolves to exercise. Both times he weighed exactly 239 pounds. His weight was also seen in a daydream in the episode "King-Size Homer"
239 is the number of chapters in the Book of Mormon.
On the starry sky on September 23 in the constellation of the Virgin, the Moon, the Sun and 12 stars will exactly correspond to Revelation 12. - Revelation 12 -
And a great sign appeared in heaven: a woman clothed in the sun, with the moon under her feet and a crown of twelve stars on her head. 2She was pregnant and crying out in the pain and agony of giving birth.…
