The Number

1801

One Thousand Eight Hundred and One

In Base 19 Nonadecimal Is

4if19

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

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

Nearby Numbers

Positive, nonzero integers within three units

1798
4ic19
One Thousand Seven Hundred and Ninety-Eight in Base 19 Nonadecimal
1799
4id19
One Thousand Seven Hundred and Ninety-Nine in Base 19 Nonadecimal
1800
4ie19
One Thousand Eight Hundred in Base 19 Nonadecimal
1802
4ig19
One Thousand Eight Hundred and Two in Base 19 Nonadecimal
1803
4ih19
One Thousand Eight Hundred and Three in Base 19 Nonadecimal
1804
4ii19
One Thousand Eight Hundred and Four in Base 19 Nonadecimal

Scientific Notation

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

1.801e3

Reciprocal

A number multiplied with its reciprocal is one.

0.003f6g1cga5c0d919

The reciprocal of 1801 in Base 19 Nonadecimal.

Palindrome?

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

The number 4if19 is not a palindrome.

A Prime Number

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

One thousand eight hundred and one is the 279th prime number.   See primes in Base 19 Nonadecimal

Not A Composite

Composites have more than just these two factors.

One Thousand Eight Hundred and One is not a composite number because it has exactly two factors: One and One 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 one thousand eight hundred and one has the following 1 prime factor:

1801
4if19
One Thousand Eight Hundred and 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

4if191 = 4if19

Base Conversions

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