The Number

1800

One Thousand Eight Hundred

In Base 13 Tridecimal Is

a8613

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1797
a8313
One Thousand Seven Hundred and Ninety-Seven in Base 13 Tridecimal
1798
a8413
One Thousand Seven Hundred and Ninety-Eight in Base 13 Tridecimal
1799
a8513
One Thousand Seven Hundred and Ninety-Nine in Base 13 Tridecimal
1801
a8713
One Thousand Eight Hundred and One in Base 13 Tridecimal
1802
a8813
One Thousand Eight Hundred and Two in Base 13 Tridecimal
1803
a8913
One Thousand Eight Hundred and Three in Base 13 Tridecimal

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.

0.0012b37397047a65513

The reciprocal of 1800 in Base 13 Tridecimal.

Palindrome?

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

The number a8613 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 13 Tridecimal

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
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal

Prime Factorization

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

2133 · 3132 · 5132 = a8613

Base Conversions

The number one thousand eight hundred in 35 different bases