The Number

12805

Twelve Thousand Eight Hundred and Five

In Base 31 Untrigesimal Is

da231

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

12802
d9u31
Twelve Thousand Eight Hundred and Two in Base 31 Untrigesimal
12803
da031
Twelve Thousand Eight Hundred and Three in Base 31 Untrigesimal
12804
da131
Twelve Thousand Eight Hundred and Four in Base 31 Untrigesimal
12806
da331
Twelve Thousand Eight Hundred and Six in Base 31 Untrigesimal
12807
da431
Twelve Thousand Eight Hundred and Seven in Base 31 Untrigesimal
12808
da531
Twelve Thousand Eight Hundred and Eight in Base 31 Untrigesimal

Scientific Notation

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

1.2805e4

Reciprocal

A number multiplied with its reciprocal is one.

0.002a3o4l9408m31

The reciprocal of 12805 in Base 31 Untrigesimal.

Palindrome?

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

The number da231 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twelve thousand eight hundred and five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand eight hundred and five is a composite number with 8 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 twelve thousand eight hundred and five has the following 3 prime factors:

5
531
Five in Base 31 Untrigesimal
13
d31
Thirteen in Base 31 Untrigesimal
197
6b31
One Hundred and Ninety-Seven in Base 31 Untrigesimal

Prime Factorization

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

5311 · d311 · 6b311 = da231

Base Conversions

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