The Number

1805

One Thousand Eight Hundred and Five

In Base 9 Nonary Is

24259

The numbers with a 9 subscript use Base 9 Nonary 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
24229
One Thousand Eight Hundred and Two in Base 9 Nonary
1803
24239
One Thousand Eight Hundred and Three in Base 9 Nonary
1804
24249
One Thousand Eight Hundred and Four in Base 9 Nonary
1806
24269
One Thousand Eight Hundred and Six in Base 9 Nonary
1807
24279
One Thousand Eight Hundred and Seven in Base 9 Nonary
1808
24289
One Thousand Eight Hundred and Eight in Base 9 Nonary

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.

0.000356375345286635529

The reciprocal of 1805 in Base 9 Nonary.

Palindrome?

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

The number 24259 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 9 Nonary

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
59
Five in Base 9 Nonary
19
219
Nineteen in Base 9 Nonary

Prime Factorization

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

591 · 2192 = 24259

Base Conversions

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