The Number

81819

Eighty-One Thousand Eight Hundred and Nineteen

In Base 19 Nonadecimal Is

bhc519

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81816
bhc219
Eighty-One Thousand Eight Hundred and Sixteen in Base 19 Nonadecimal
81817
bhc319
Eighty-One Thousand Eight Hundred and Seventeen in Base 19 Nonadecimal
81818
bhc419
Eighty-One Thousand Eight Hundred and Eightteen in Base 19 Nonadecimal
81820
bhc619
Eighty-One Thousand Eight Hundred and Twenty in Base 19 Nonadecimal
81821
bhc719
Eighty-One Thousand Eight Hundred and Twenty-One in Base 19 Nonadecimal
81822
bhc819
Eighty-One Thousand Eight Hundred and Twenty-Two in Base 19 Nonadecimal

Scientific Notation

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

8.1819e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001b4iif5h808a619

The reciprocal of 81819 in Base 19 Nonadecimal.

Palindrome?

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

The number bhc519 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 eight hundred and nineteen is a composite number with 6 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand eight hundred and nineteen is a composite number with 6 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 eight hundred and nineteen has the following 2 prime factors:

3
319
Three in Base 19 Nonadecimal
9091
163919
Nine Thousand and Ninety-One in Base 19 Nonadecimal

Prime Factorization

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

3192 · 1639191 = bhc519

Base Conversions

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