The Number

648

Six Hundred and Forty-Eight

Nearby Numbers

Positive, nonzero integers within three units

645
Six Hundred and Forty-Five
646
Six Hundred and Forty-Six
647
Six Hundred and Forty-Seven
649
Six Hundred and Forty-Nine
650
Six Hundred and Fifty
651
Six Hundred and Fifty-One

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

6.48e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0015432098765432098

The reciprocal of 648.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 648 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Six hundred and forty-eight is a composite number with 20 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Six hundred and forty-eight is a composite number with 20 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number six hundred and forty-eight has the following 2 prime factors:

2
Two
3
Three

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

23 · 34 = 648

Base Conversions

The number six hundred and forty-eight in 35 different bases