number
mathematical object used to count, label, and measure
coordination number
number of atoms, molecules or ions bonded to in a molecule or crystal
turnover number
the number of substrate molecule each enzyme site converts to product per unit time.
transfinite number
number larger than all finite numbers
square
result of multiplying a number, or other expression, by itself
house number
unique number to a building in a street or area
normalizing constant
constant a such that af(x) is a probability measure
rank number
term in statistics
split-complex number
element of the real commutative associative algebra ℝ[j] / (j² − 1), i.e. the reals with an extra square root of +1 adjoined
Golden number
position of the year within the 19-year Metonic cycle
multiple
product of any number and an integer
ratio
quotient of two numbers or quantities of the same kind
eigenvalue
for a linear map, the scale factor when the map is applied to a particular eigenvector
difference
result of a subtraction; sometimes the absolute value of this result
sample size
number of sampling units in a sample
coefficient
multiplicative factor involved in some term of a polynomial, a series, or an expression
dual number
algebra over a field
radix
in a positional numeral system, the number of unique digits, including the digit 0, used to represent numbers
surreal number
a totally ordered proper class containing the real numbers as well as hyperreal numbers such as infinity and infinitesimals.
code point
numerical value representing a character in a coded character set
coordinate
number which characterizes position
divisor
operand of division
subnet mask
number that "masks" an IP address, dividing it into a routing prefix and a host address
small number
finite number which is close in magnitude to 0
scale
proportional ratio of a linear dimension of a model to the same feature of the original
pi is three
approximation for pi, used in Yutori education
complex number
number that can be put in the form a + bi, where a and b are real numbers and i is called the imaginary unit
ordinal number
order type of a well-ordered set
quantum number
notation for conserved quantities in physics and chemistry
average path length
average number of steps along the shortest paths for all possible pairs of network nodes
Dunbar's number
value important in sociology and anthropology
additive identity
an element which, when added to any element x in the set, yields x
real number
quantity along a continuous line
mathematical constant
special, usually real number, that is interesting or significant in some way
degree
number of edges incident to a given vertex in a node-link graph
hypercomplex number
element of a unital algebra over the field of real numbers
random number
numbers that cannot be reasonably predicted.
multiplicative identity
identity element with respect to multiplication
standard score
number of standard deviations by which the value of a raw score is above or below the mean
nothing up my sleeve number
numbers used by cryptographers to show that they are working in good faith
indefinite and fictitious numbers
terms expressing unspecified and made up numbers