The Number

1800

One Thousand Eight Hundred

In Base 19 Nonadecimal Is

4ie19

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

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

Nearby Numbers

Positive, nonzero integers within three units

1797
4ib19
One Thousand Seven Hundred and Ninety-Seven in Base 19 Nonadecimal
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
1801
4if19
One Thousand Eight Hundred and One 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

Scientific Notation

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

1.800e3

Reciprocal

A number multiplied with its reciprocal is one.

0.003f7bb7f4003f819

The reciprocal of 1800 in Base 19 Nonadecimal.

Palindrome?

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

The number 4ie19 is not a palindrome.

Not A Prime Number

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

One thousand eight hundred is a composite number with 36 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

One thousand eight hundred is a composite number with 36 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 one thousand eight hundred has the following 3 prime factors:

2
219
Two in Base 19 Nonadecimal
3
319
Three in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal

Prime Factorization

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

2193 · 3192 · 5192 = 4ie19

Base Conversions

The number one thousand eight hundred in 35 different bases