Nearby Numbers

Positive, nonzero integers within three units

42037

Forty-Two Thousand and Thirty-Seven

42038

Forty-Two Thousand and Thirty-Eight

42039

Forty-Two Thousand and Thirty-Nine

42041

Forty-Two Thousand and Forty-One

42042

Forty-Two Thousand and Forty-Two

42043

Forty-Two Thousand and Forty-Three

Scientific Notation

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

4.2040e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002378686964795433

The reciprocal of 42040.

Palindrome?

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

The number 42040 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 is a composite number with 16 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 is a composite number with 16 total factors (including 1 and itself).

Prime Factors

2

Two

5

Five

1051

One Thousand and Fifty-One

Prime Factorization

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

23 · 51 · 10511 = 42040

Base Conversions

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