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Uranium-238 (238 U or U-238) is the most common isotope of uranium found in nature, with a relative abundance of 99%. Unlike uranium-235, it is non-fissile, which means it cannot sustain a chain reaction in a thermal-neutron reactor.
238 is a natural number with various mathematical properties and facts, such as being an untouchable number, a prime number, and a polydiamond number. Learn more about its factorization, Greek and Roman numerals, and related sequences and graphs.
Learn how to find the factors of 238, which are the integers that can be evenly divided into 238. See the list of all factors, negative factors, prime factors, and pair factors of 238, and how to use them in math problems.
Uranium-238 is a radioisotope of uranium with 146 neutrons and a half-life of 4.468 billion years. It decays by alpha emission to thorium-234 and has a natural abundance of 99.2742%.
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Is 238 an untouchable number?
What does Angel number 238 mean?
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Is 238 a natural number?
Mar 8, 2022 · Angel number 238 is a sign of abundance, love, and authority from the Universe. Learn the hidden meanings and vibrations of this number and how it relates to your life, relationships, and spirituality.
Route 238, consisting of State Route 238 (SR 238) and Interstate 238 (I-238), is a mostly north–south state and auxiliary Interstate highway in the San Francisco Bay Area of California.
Learn about the number 238, an even composite number with three prime factors and eight divisors. Find out its scientific notation, square root, cube root, deficiency, and more.
