The Number

1800

One Thousand Eight Hundred

In Base 22 Duovigesimal Is

3fi22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1797
3ff22
One Thousand Seven Hundred and Ninety-Seven in Base 22 Duovigesimal
1798
3fg22
One Thousand Seven Hundred and Ninety-Eight in Base 22 Duovigesimal
1799
3fh22
One Thousand Seven Hundred and Ninety-Nine in Base 22 Duovigesimal
1801
3fj22
One Thousand Eight Hundred and One in Base 22 Duovigesimal
1802
3fk22
One Thousand Eight Hundred and Two in Base 22 Duovigesimal
1803
3fl22
One Thousand Eight Hundred and Three in Base 22 Duovigesimal

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.

0.005k32i88ljiej22

The reciprocal of 1800 in Base 22 Duovigesimal.

Palindrome?

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

The number 3fi22 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 22 Duovigesimal

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
222
Two in Base 22 Duovigesimal
3
322
Three in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal

Prime Factorization

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

2223 · 3222 · 5222 = 3fi22

Base Conversions

The number one thousand eight hundred in 35 different bases