The Number

81328

Eighty-One Thousand Three Hundred and Twenty-Eight

In Base 13 Tridecimal Is

2b03013

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81325
2b02a13
Eighty-One Thousand Three Hundred and Twenty-Five in Base 13 Tridecimal
81326
2b02b13
Eighty-One Thousand Three Hundred and Twenty-Six in Base 13 Tridecimal
81327
2b02c13
Eighty-One Thousand Three Hundred and Twenty-Seven in Base 13 Tridecimal
81329
2b03113
Eighty-One Thousand Three Hundred and Twenty-Nine in Base 13 Tridecimal
81330
2b03213
Eighty-One Thousand Three Hundred and Thirty in Base 13 Tridecimal
81331
2b03313
Eighty-One Thousand Three Hundred and Thirty-One in Base 13 Tridecimal

Scientific Notation

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

8.1328e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004747197c2b3ca2813

The reciprocal of 81328 in Base 13 Tridecimal.

Palindrome?

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

The number 2b03013 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 three hundred and twenty-eight is a composite number with 40 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand three hundred and twenty-eight is a composite number with 40 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 three hundred and twenty-eight has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
17
1413
Seventeen in Base 13 Tridecimal
23
1a13
Twenty-Three in Base 13 Tridecimal

Prime Factorization

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

2134 · 10131 · 14131 · 1a131 = 2b03013

Base Conversions

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