In Mathematics
141 is a centered pentagonal number. It is the sum of the sums of divisors of the first thirteen integers.
141 is the second n to give a prime Cullen number (of the form n2n + 1).
141 is an undulating number in base 10, with the previous being 131, and the next being 151.
141 is the sixth hendecagonal (11-gonal) number.
141 is 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.
Read more about this topic: 141 (number)
Famous quotes containing the word mathematics:
“... though mathematics may teach a man how to build a bridge, it is what the Scotch Universities call the humanities, that teach him to be civil and sweet-tempered.”
—Amelia E. Barr (1831–1919)
“The three main medieval points of view regarding universals are designated by historians as realism, conceptualism, and nominalism. Essentially these same three doctrines reappear in twentieth-century surveys of the philosophy of mathematics under the new names logicism, intuitionism, and formalism.”
—Willard Van Orman Quine (b. 1908)