Nearby Numbers

Positive, nonzero integers within three units

39997

Thirty-Nine Thousand Nine Hundred and Ninety-Seven

39998

Thirty-Nine Thousand Nine Hundred and Ninety-Eight

39999

Thirty-Nine Thousand Nine Hundred and Ninety-Nine

40001

Forty Thousand and One

40002

Forty Thousand and Two

40003

Forty Thousand and Three

Scientific Notation

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

4e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000025

The reciprocal of 40000.

Palindrome?

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

The number 40000 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 is a composite number with 35 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Forty thousand is a composite number with 35 total factors (including 1 and itself).

Prime Factors

2

Two

5

Five

Prime Factorization

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

26 · 54 = 40000

Base Conversions

The number forty thousand in 35 different bases