The Number

40001

Forty Thousand and One

Nearby Numbers

Positive, nonzero integers within three units

39998
Thirty-Nine Thousand Nine Hundred and Ninety-Eight
39999
Thirty-Nine Thousand Nine Hundred and Ninety-Nine
40000
Forty Thousand
40002
Forty Thousand and Two
40003
Forty Thousand and Three
40004
Forty Thousand and Four

Scientific Notation

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

4.0001e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002499937501562461

The reciprocal of 40001.

Palindrome?

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

The number 40001 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 one 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 thousand and one 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 thousand and one has the following 3 prime factors:

13
Thirteen
17
Seventeen
181
One Hundred and Eighty-One

Prime Factorization

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

131 · 171 · 1811 = 40001

Base Conversions

The number forty thousand and one in 35 different bases