The Number

1800

One Thousand Eight Hundred

In Base 5 Quinary Is

242005

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1797
241425
One Thousand Seven Hundred and Ninety-Seven in Base 5 Quinary
1798
241435
One Thousand Seven Hundred and Ninety-Eight in Base 5 Quinary
1799
241445
One Thousand Seven Hundred and Ninety-Nine in Base 5 Quinary
1801
242015
One Thousand Eight Hundred and One in Base 5 Quinary
1802
242025
One Thousand Eight Hundred and Two in Base 5 Quinary
1803
242035
One Thousand Eight Hundred and Three in Base 5 Quinary

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.

0.000013320013320013320013325

The reciprocal of 1800 in Base 5 Quinary.

Palindrome?

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

The number 242005 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 5 Quinary

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
25
Two in Base 5 Quinary
3
35
Three in Base 5 Quinary
5
105
Five in Base 5 Quinary

Prime Factorization

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

253 · 352 · 1052 = 242005

Base Conversions

The number one thousand eight hundred in 35 different bases