The Number

12805

Twelve Thousand Eight Hundred and Five

In Base 20 Vigesimal Is

1c0520

The numbers with a 20 subscript use Base 20 Vigesimal 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
1c0220
Twelve Thousand Eight Hundred and Two in Base 20 Vigesimal
12803
1c0320
Twelve Thousand Eight Hundred and Three in Base 20 Vigesimal
12804
1c0420
Twelve Thousand Eight Hundred and Four in Base 20 Vigesimal
12806
1c0620
Twelve Thousand Eight Hundred and Six in Base 20 Vigesimal
12807
1c0720
Twelve Thousand Eight Hundred and Seven in Base 20 Vigesimal
12808
1c0820
Twelve Thousand Eight Hundred and Eight in Base 20 Vigesimal

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.

0.000c9i0j120913c20

The reciprocal of 12805 in Base 20 Vigesimal.

Palindrome?

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

The number 1c0520 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 20 Vigesimal

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
520
Five in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal
197
9h20
One Hundred and Ninety-Seven in Base 20 Vigesimal

Prime Factorization

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

5201 · d201 · 9h201 = 1c0520

Base Conversions

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