The Number

81019

Eighty-One Thousand and Nineteen

In Base 13 Tridecimal Is

2ab5313

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

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

Nearby Numbers

Positive, nonzero integers within three units

81016
2ab5013
Eighty-One Thousand and Sixteen in Base 13 Tridecimal
81017
2ab5113
Eighty-One Thousand and Seventeen in Base 13 Tridecimal
81018
2ab5213
Eighty-One Thousand and Eightteen in Base 13 Tridecimal
81020
2ab5413
Eighty-One Thousand and Twenty in Base 13 Tridecimal
81021
2ab5513
Eighty-One Thousand and Twenty-One in Base 13 Tridecimal
81022
2ab5613
Eighty-One Thousand and Twenty-Two in Base 13 Tridecimal

Scientific Notation

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

8.1019e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000477650735636c9613

The reciprocal of 81019 in Base 13 Tridecimal.

Palindrome?

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

The number 2ab5313 is not a palindrome.

A Prime Number

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

Eighty-one thousand and nineteen is the 7929th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Eighty-One Thousand and Nineteen is not a composite number because it has exactly two factors: One and Eighty-One Thousand and Nineteen

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 nineteen has the following 1 prime factor:

81019
2ab5313
Eighty-One Thousand and 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

2ab53131 = 2ab5313

Base Conversions

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