The Number

81928

Eighty-One Thousand Nine Hundred and Twenty-Eight

In Base 13 Tridecimal Is

2b3a213

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

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

Nearby Numbers

Positive, nonzero integers within three units

81925
2b39c13
Eighty-One Thousand Nine Hundred and Twenty-Five in Base 13 Tridecimal
81926
2b3a013
Eighty-One Thousand Nine Hundred and Twenty-Six in Base 13 Tridecimal
81927
2b3a113
Eighty-One Thousand Nine Hundred and Twenty-Seven in Base 13 Tridecimal
81929
2b3a313
Eighty-One Thousand Nine Hundred and Twenty-Nine in Base 13 Tridecimal
81930
2b3a413
Eighty-One Thousand Nine Hundred and Thirty in Base 13 Tridecimal
81931
2b3a513
Eighty-One Thousand Nine 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.

8.1928e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000046bb8a79501cb5213

The reciprocal of 81928 in Base 13 Tridecimal.

Palindrome?

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

The number 2b3a213 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 nine hundred and twenty-eight is a composite number with 48 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 nine hundred and twenty-eight is a composite number with 48 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 nine hundred and twenty-eight has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
11
b13
Eleven in Base 13 Tridecimal
19
1613
Nineteen in Base 13 Tridecimal

Prime Factorization

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

2133 · 7132 · b131 · 16131 = 2b3a213

Base Conversions

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