The Number

16805

Sixteen Thousand Eight Hundred and Five

In Base 21 Unovigesimal Is

1h2521

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

16802
1h2221
Sixteen Thousand Eight Hundred and Two in Base 21 Unovigesimal
16803
1h2321
Sixteen Thousand Eight Hundred and Three in Base 21 Unovigesimal
16804
1h2421
Sixteen Thousand Eight Hundred and Four in Base 21 Unovigesimal
16806
1h2621
Sixteen Thousand Eight Hundred and Six in Base 21 Unovigesimal
16807
1h2721
Sixteen Thousand Eight Hundred and Seven in Base 21 Unovigesimal
16808
1h2821
Sixteen Thousand Eight Hundred and Eight in Base 21 Unovigesimal

Scientific Notation

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

1.6805e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bc0cfh813669621

The reciprocal of 16805 in Base 21 Unovigesimal.

Palindrome?

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

The number 1h2521 is not a palindrome.

Not A Prime Number

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

Sixteen thousand eight hundred and five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Sixteen thousand eight hundred and five is a composite number with 4 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 sixteen thousand eight hundred and five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
3361
7d121
Three Thousand Three Hundred and Sixty-One in Base 21 Unovigesimal

Prime Factorization

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

5211 · 7d1211 = 1h2521

Base Conversions

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