The Number

4945

Four Thousand Nine Hundred and Forty-Five

Nearby Numbers

Positive, nonzero integers within three units

4942
Four Thousand Nine Hundred and Forty-Two
4943
Four Thousand Nine Hundred and Forty-Three
4944
Four Thousand Nine Hundred and Forty-Four
4946
Four Thousand Nine Hundred and Forty-Six
4947
Four Thousand Nine Hundred and Forty-Seven
4948
Four Thousand Nine Hundred and Forty-Eight

Scientific Notation

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

4.945e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00020222446916076846

The reciprocal of 4945.

Palindrome?

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

The number 4945 is not a palindrome.

Not A Prime Number

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

Four thousand nine hundred and forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Four thousand nine hundred and forty-five is a composite number with 8 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 four thousand nine hundred and forty-five has the following 3 prime factors:

5
Five
23
Twenty-Three
43
Forty-Three

Prime Factorization

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

51 · 231 · 431 = 4945

Base Conversions

The number four thousand nine hundred and forty-five in 35 different bases