The Number

42045

Forty-Two Thousand and Forty-Five

Nearby Numbers

Positive, nonzero integers within three units

42042
Forty-Two Thousand and Forty-Two
42043
Forty-Two Thousand and Forty-Three
42044
Forty-Two Thousand and Forty-Four
42046
Forty-Two Thousand and Forty-Six
42047
Forty-Two Thousand and Forty-Seven
42048
Forty-Two Thousand and Forty-Eight

Scientific Notation

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

4.2045e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000023784040908550362

The reciprocal of 42045.

Palindrome?

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

The number 42045 is not a palindrome.

Not A Prime Number

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

Forty-two thousand 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.

Forty-two thousand 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 forty-two thousand and forty-five has the following 3 prime factors:

3
Three
5
Five
2803
Two Thousand Eight Hundred and Three

Prime Factorization

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

31 · 51 · 28031 = 42045

Base Conversions

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