- A
number is a
mathematical object used to count, measure, and label. The most
basic examples are the
natural numbers 1, 2, 3, 4, and so forth. Numbers...
- Graham's
number is an
immense number that
arose as an
upper bound on the
answer of a
problem in the
mathematical field of
Ramsey theory. It is much larger...
- In mathematics, a
complex number is an
element of a
number system that
extends the real
numbers with a
specific element denoted i,
called the imaginary...
-
Achilles number smallest four
digit eban
number the sum of all the nban
numbers in the
sequence 2001 –
sphenic number 2002 –
palindromic number in decimal...
- The
International Standard Book
Number (ISBN) is a
numeric commercial book
identifier that is
intended to be unique.
Publishers purchase or
receive ISBNs...
- A
binary number is a
number expressed in the base-2
numeral system or
binary numeral system, a
method for
representing numbers that uses only two symbols...
- the
natural number following 599 and
preceding 601. Six
hundred is a
composite number, an
abundant number, a
pronic number, a
Harshad number and a largely...
- the
natural number following 19 and
preceding 21. A
group of
twenty units is
sometimes referred to as a score.
Twenty is a
composite number. It is also...
-
natural number that
follows 41 and
precedes 43. 42 is a
pronic number, an
abundant number as well as a
highly abundant number, a
practical number, an admirable...
-
number (7 × 11 × 13),
pentagonal number,
pentatope number,
palindromic number 1002 =
sphenic number,
Mertens function zero,
abundant number,
number of...