The Number

19801

Nineteen Thousand Eight Hundred and One

In Base 11 Undecimal Is

1397111

The numbers with a 11 subscript use Base 11 Undecimal 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
1396911
Nineteen Thousand Seven Hundred and Ninety-Eight in Base 11 Undecimal
19799
1396a11
Nineteen Thousand Seven Hundred and Ninety-Nine in Base 11 Undecimal
19800
1397011
Nineteen Thousand Eight Hundred in Base 11 Undecimal
19802
1397211
Nineteen Thousand Eight Hundred and Two in Base 11 Undecimal
19803
1397311
Nineteen Thousand Eight Hundred and Three in Base 11 Undecimal
19804
1397411
Nineteen Thousand Eight Hundred and Four in Base 11 Undecimal

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.

0.0000815172867765680511

The reciprocal of 19801 in Base 11 Undecimal.

Palindrome?

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

The number 1397111 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 11 Undecimal

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
1397111
Nineteen Thousand Eight Hundred and One in Base 11 Undecimal

Prime Factorization

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

13971111 = 1397111

Base Conversions

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