The Number

1800

One Thousand Eight Hundred

In Base 25 Pentavigesimal Is

2m025

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1797
2lm25
One Thousand Seven Hundred and Ninety-Seven in Base 25 Pentavigesimal
1798
2ln25
One Thousand Seven Hundred and Ninety-Eight in Base 25 Pentavigesimal
1799
2lo25
One Thousand Seven Hundred and Ninety-Nine in Base 25 Pentavigesimal
1801
2m125
One Thousand Eight Hundred and One in Base 25 Pentavigesimal
1802
2m225
One Thousand Eight Hundred and Two in Base 25 Pentavigesimal
1803
2m325
One Thousand Eight Hundred and Three in Base 25 Pentavigesimal

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.

0.008h08h08h08h25

The reciprocal of 1800 in Base 25 Pentavigesimal.

Palindrome?

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

The number 2m025 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 25 Pentavigesimal

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
225
Two in Base 25 Pentavigesimal
3
325
Three in Base 25 Pentavigesimal
5
525
Five in Base 25 Pentavigesimal

Prime Factorization

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

2253 · 3252 · 5252 = 2m025

Base Conversions

The number one thousand eight hundred in 35 different bases