The Number

81021

Eighty-One Thousand and Twenty-One

In Base 24 Tetravigesimal Is

5kfl24

The numbers with a 24 subscript use Base 24 Tetravigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81018
5kfi24
Eighty-One Thousand and Eightteen in Base 24 Tetravigesimal
81019
5kfj24
Eighty-One Thousand and Nineteen in Base 24 Tetravigesimal
81020
5kfk24
Eighty-One Thousand and Twenty in Base 24 Tetravigesimal
81022
5kfm24
Eighty-One Thousand and Twenty-Two in Base 24 Tetravigesimal
81023
5kfn24
Eighty-One Thousand and Twenty-Three in Base 24 Tetravigesimal
81024
5kg024
Eighty-One Thousand and Twenty-Four in Base 24 Tetravigesimal

Scientific Notation

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

8.1021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000426ga69249fj24

The reciprocal of 81021 in Base 24 Tetravigesimal.

Palindrome?

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

The number 5kfl24 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eighty-one thousand and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 24 Tetravigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand and twenty-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 eighty-one thousand and twenty-one has the following 3 prime factors:

3
324
Three in Base 24 Tetravigesimal
113
4h24
One Hundred and Thirteen in Base 24 Tetravigesimal
239
9n24
Two Hundred and Thirty-Nine in Base 24 Tetravigesimal

Prime Factorization

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

3241 · 4h241 · 9n241 = 5kfl24

Base Conversions

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