141 (number)
141 (one hundred ndforty-one) is the natural number following 140 and preceding 142. In mathematics 141 is: *a centered pentagonal number. *the sum of the sums of the divisors of the first 13 positive integers. *the second ''n'' to give a prime Cullen number (of the form ''n''2''n'' + 1). *an undulating number in base 10, with the previous being 131, and the next being 151. *the sixth hendeca gonal (11-gonal) number. *a semiprime: a product of two prime numbers, namely 3 and 47. Since those prime factors are Gaussian primes, this means that 141 is a Blum integer. * a Hilbert prime In the military * The Lockheed C-141 Starlifter was a United States Air Force military strategic airlifter * K-141 ''Kursk'' was a Russian nuclear cruise missile submarine, which sank in the Barents Sea on 12 August 2000 * was a United States Navy ship during World War II * was a United States Navy during World War II * was a United States Navy during World War II * was a United States Nav ...
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