The Number

81021

Eighty-One Thousand and Twenty-One

In Base 32 Duotrigesimal Is

2f3t32

The numbers with a 32 subscript use Base 32 Duotrigesimal 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
2f3q32
Eighty-One Thousand and Eightteen in Base 32 Duotrigesimal
81019
2f3r32
Eighty-One Thousand and Nineteen in Base 32 Duotrigesimal
81020
2f3s32
Eighty-One Thousand and Twenty in Base 32 Duotrigesimal
81022
2f3u32
Eighty-One Thousand and Twenty-Two in Base 32 Duotrigesimal
81023
2f3v32
Eighty-One Thousand and Twenty-Three in Base 32 Duotrigesimal
81024
2f4032
Eighty-One Thousand and Twenty-Four in Base 32 Duotrigesimal

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.

0.000cu4kb9gho1232

The reciprocal of 81021 in Base 32 Duotrigesimal.

Palindrome?

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

The number 2f3t32 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 32 Duotrigesimal

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
332
Three in Base 32 Duotrigesimal
113
3h32
One Hundred and Thirteen in Base 32 Duotrigesimal
239
7f32
Two Hundred and Thirty-Nine in Base 32 Duotrigesimal

Prime Factorization

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

3321 · 3h321 · 7f321 = 2f3t32

Base Conversions

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