The Number

1808

One Thousand Eight Hundred and Eight

In Base 21 Unovigesimal Is

42221

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

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

Nearby Numbers

Positive, nonzero integers within three units

1805
41k21
One Thousand Eight Hundred and Five in Base 21 Unovigesimal
1806
42021
One Thousand Eight Hundred and Six in Base 21 Unovigesimal
1807
42121
One Thousand Eight Hundred and Seven in Base 21 Unovigesimal
1809
42321
One Thousand Eight Hundred and Nine in Base 21 Unovigesimal
1810
42421
One Thousand Eight Hundred and Ten in Base 21 Unovigesimal
1811
42521
One Thousand Eight Hundred and Eleven in Base 21 Unovigesimal

Scientific Notation

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

1.808e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0052bj06213d75b21

The reciprocal of 1808 in Base 21 Unovigesimal.

Palindrome?

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

The number 42221 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 eight is a composite number with 10 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One thousand eight hundred and eight is a composite number with 10 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 eight has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
113
5821
One Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

2214 · 58211 = 42221

Base Conversions

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