The Number

81529

Eighty-One Thousand Five Hundred and Twenty-Nine

In Base 21 Unovigesimal Is

8gi721

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81526
8gi421
Eighty-One Thousand Five Hundred and Twenty-Six in Base 21 Unovigesimal
81527
8gi521
Eighty-One Thousand Five Hundred and Twenty-Seven in Base 21 Unovigesimal
81528
8gi621
Eighty-One Thousand Five Hundred and Twenty-Eight in Base 21 Unovigesimal
81530
8gi821
Eighty-One Thousand Five Hundred and Thirty in Base 21 Unovigesimal
81531
8gi921
Eighty-One Thousand Five Hundred and Thirty-One in Base 21 Unovigesimal
81532
8gia21
Eighty-One Thousand Five Hundred and Thirty-Two in Base 21 Unovigesimal

Scientific Notation

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

8.1529e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000281k81hkkicj521

The reciprocal of 81529 in Base 21 Unovigesimal.

Palindrome?

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

The number 8gi721 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 five hundred and twenty-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand five hundred and twenty-nine 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 five hundred and twenty-nine has the following 3 prime factors:

7
721
Seven in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
613
18421
Six Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

7211 · j211 · 184211 = 8gi721

Base Conversions

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