The Number

40021

Forty Thousand and Twenty-One

In Base 18 Octodecimal Is

6f9718

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Forty Thousand and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

40018
6f9418
Forty Thousand and Eightteen in Base 18 Octodecimal
40019
6f9518
Forty Thousand and Nineteen in Base 18 Octodecimal
40020
6f9618
Forty Thousand and Twenty in Base 18 Octodecimal
40022
6f9818
Forty Thousand and Twenty-Two in Base 18 Octodecimal
40023
6f9918
Forty Thousand and Twenty-Three in Base 18 Octodecimal
40024
6f9a18
Forty Thousand and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

4.0021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002b3f882fcffbh818

The reciprocal of 40021 in Base 18 Octodecimal.

Palindrome?

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

The number 6f9718 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 twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Forty thousand and twenty-one 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 twenty-one has the following 2 prime factors:

31
1d18
Thirty-One in Base 18 Octodecimal
1291
3hd18
One Thousand Two Hundred and Ninety-One in Base 18 Octodecimal

Prime Factorization

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

1d181 · 3hd181 = 6f9718

Base Conversions

The number forty thousand and twenty-one in 35 different bases