The Number

1805

One Thousand Eight Hundred and Five

In Base 25 Pentavigesimal Is

2m525

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

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

Nearby Numbers

Positive, nonzero integers within three units

1802
2m225
One Thousand Eight Hundred and Two in Base 25 Pentavigesimal
1803
2m325
One Thousand Eight Hundred and Three in Base 25 Pentavigesimal
1804
2m425
One Thousand Eight Hundred and Four in Base 25 Pentavigesimal
1806
2m625
One Thousand Eight Hundred and Six in Base 25 Pentavigesimal
1807
2m725
One Thousand Eight Hundred and Seven in Base 25 Pentavigesimal
1808
2m825
One Thousand Eight Hundred and Eight in Base 25 Pentavigesimal

Scientific Notation

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

1.805e3

Reciprocal

A number multiplied with its reciprocal is one.

0.008ga7o2c8478e25

The reciprocal of 1805 in Base 25 Pentavigesimal.

Palindrome?

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

The number 2m525 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 and five is a composite number with 6 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 and five is a composite number with 6 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 and five has the following 2 prime factors:

5
525
Five in Base 25 Pentavigesimal
19
j25
Nineteen in Base 25 Pentavigesimal

Prime Factorization

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

5251 · j252 = 2m525

Base Conversions

The number one thousand eight hundred and five in 35 different bases