The Number

19801

Nineteen Thousand Eight Hundred and One

In Base 18 Octodecimal Is

372118

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

19798
371g18
Nineteen Thousand Seven Hundred and Ninety-Eight in Base 18 Octodecimal
19799
371h18
Nineteen Thousand Seven Hundred and Ninety-Nine in Base 18 Octodecimal
19800
372018
Nineteen Thousand Eight Hundred in Base 18 Octodecimal
19802
372218
Nineteen Thousand Eight Hundred and Two in Base 18 Octodecimal
19803
372318
Nineteen Thousand Eight Hundred and Three in Base 18 Octodecimal
19804
372418
Nineteen Thousand Eight Hundred and Four in Base 18 Octodecimal

Scientific Notation

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

1.9801e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000557cba0bg799518

The reciprocal of 19801 in Base 18 Octodecimal.

Palindrome?

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

The number 372118 is not a palindrome.

A Prime Number

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

Nineteen thousand eight hundred and one is the 2241st prime number.   See primes in Base 18 Octodecimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number nineteen thousand eight hundred and one has the following 1 prime factor:

19801
372118
Nineteen Thousand Eight Hundred and One in Base 18 Octodecimal

Prime Factorization

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

3721181 = 372118

Base Conversions

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