141 (number)
141 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.
- an undulating number in base 10, with the previous being 131, and the next being 151.
- the sixth hendecagonal 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