The Number

40045

Forty Thousand and Forty-Five

Nearby Numbers

Positive, nonzero integers within three units

40042
Forty Thousand and Forty-Two
40043
Forty Thousand and Forty-Three
40044
Forty Thousand and Forty-Four
40046
Forty Thousand and Forty-Six
40047
Forty Thousand and Forty-Seven
40048
Forty Thousand and Forty-Eight

Scientific Notation

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

4.0045e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000024971906605069296

The reciprocal of 40045.

Palindrome?

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

The number 40045 is not a palindrome.

Not A Prime Number

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

Forty thousand and forty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Forty thousand and forty-five is a composite number with 4 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 forty thousand and forty-five has the following 2 prime factors:

5
Five
8009
Eight Thousand and Nine

Prime Factorization

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

51 · 80091 = 40045

Base Conversions

The number forty thousand and forty-five in 35 different bases