The Number

81818

Eighty-One Thousand Eight Hundred and Eightteen

In Base 19 Nonadecimal Is

bhc419

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

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

Nearby Numbers

Positive, nonzero integers within three units

81815
bhc119
Eighty-One Thousand Eight Hundred and Fifteen in Base 19 Nonadecimal
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
81819
bhc519
Eighty-One Thousand Eight Hundred and Nineteen 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

Scientific Notation

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

8.1818e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001b50269eh891919

The reciprocal of 81818 in Base 19 Nonadecimal.

Palindrome?

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

The number bhc419 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 eightteen is a composite number with 8 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 eightteen 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 eight hundred and eightteen has the following 3 prime factors:

2
219
Two in Base 19 Nonadecimal
11
b19
Eleven in Base 19 Nonadecimal
3719
a5e19
Three Thousand Seven Hundred and Nineteen in Base 19 Nonadecimal

Prime Factorization

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

2191 · b191 · a5e191 = bhc419

Base Conversions

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