The Number

40021

Forty Thousand and Twenty-One

In Base 11 Undecimal Is

2808311

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

40018
2808011
Forty Thousand and Eightteen in Base 11 Undecimal
40019
2808111
Forty Thousand and Nineteen in Base 11 Undecimal
40020
2808211
Forty Thousand and Twenty in Base 11 Undecimal
40022
2808411
Forty Thousand and Twenty-Two in Base 11 Undecimal
40023
2808511
Forty Thousand and Twenty-Three in Base 11 Undecimal
40024
2808611
Forty Thousand and Twenty-Four in Base 11 Undecimal

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.

0.0000402a1840183a076311

The reciprocal of 40021 in Base 11 Undecimal.

Palindrome?

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

The number 2808311 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 11 Undecimal

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
2911
Thirty-One in Base 11 Undecimal
1291
a7411
One Thousand Two Hundred and Ninety-One in Base 11 Undecimal

Prime Factorization

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

29111 · a74111 = 2808311

Base Conversions

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