number-cruncher |
(informal) a person, machine, program or the like that performs a great many complicated numerical calculations. |
octane number |
a number that designates the antiknock properties of a gasoline, based on the percentage of isooctane in it; octane rating. |
odd number |
a whole number that cannot be divided exactly by 2. |
one-digit number |
a whole number containing one digit, such as 2. |
ordinal number |
any number that is used to express order in a series, such as first, second, or tenth. (Cf. cardinal number.) |
perfect number |
a positive integer that is equal to the sum of its divisors, including one but excluding itself. |
Personal Identification Number |
an identification number entered on a keypad to gain remote electronic access to one's bank account or other financial accounts. |
phone number |
a short form of telephone number. |
prime number |
a number, such as 2 or 11, that can be evenly divided only by itself or by 1. |
registration number |
(chiefly British) the registered set of numbers and letters found on the license plates of a vehicle; license plate number. |
round number |
a number given in terms of the nearest whole number, or given in the nearest tens, hundreds, or the like. The number 50 is a round number for 47. |
serial number |
a number that is one of a series and is assigned to someone or something for identification, as to a soldier, automobile, or piece of paper currency. |
Social Security Number |
a number issued by the U.S. federal government to citizens, permanent residents, and temporary working residents of the United States for the purposes of tracking working individuals. |
three-digit number |
a whole number containing three digits, such as 365. |
two-digit number |
a whole number containing two digits, such as 22. |
whole number |
the number one and any number obtained by successively adding one to get the next number, and the number zero. |
without number |
countless. |
wrong number |
a telephone number incorrectly or mistakenly dialed. [2 definitions] |