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141 (number)
141
(
one hundred [and] forty-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<sup>
n
</sup> + 1).
the first three digits after the decimal point in the base 10 representation of
pi
(3.
141
592...)
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 number
s, namely 3 and 47. Since those prime factors are
Gaussian prime
s, this means that 141 is a
Blum integer
.
a
Hilbert prime
References