The Number

18311

Eightteen Thousand Three Hundred and Eleven

In Base 21 Unovigesimal Is

1kak21

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

For more familiar numbers: See Eightteen Thousand Three Hundred and Eleven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18308
1kah21
Eightteen Thousand Three Hundred and Eight in Base 21 Unovigesimal
18309
1kai21
Eightteen Thousand Three Hundred and Nine in Base 21 Unovigesimal
18310
1kaj21
Eightteen Thousand Three Hundred and Ten in Base 21 Unovigesimal
18312
1kb021
Eightteen Thousand Three Hundred and Twelve in Base 21 Unovigesimal
18313
1kb121
Eightteen Thousand Three Hundred and Thirteen in Base 21 Unovigesimal
18314
1kb221
Eightteen Thousand Three Hundred and Fourteen in Base 21 Unovigesimal

Scientific Notation

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

1.8311e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ad0i06abe0ck21

The reciprocal of 18311 in Base 21 Unovigesimal.

Palindrome?

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

The number 1kak21 is not a palindrome.

A Prime Number

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

Eightteen thousand three hundred and eleven is the 2099th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Eightteen Thousand Three Hundred and Eleven is not a composite number because it has exactly two factors: One and Eightteen Thousand Three Hundred and Eleven

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eightteen thousand three hundred and eleven has the following 1 prime factor:

18311
1kak21
Eightteen Thousand Three Hundred and Eleven in Base 21 Unovigesimal

Prime Factorization

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

1kak211 = 1kak21

Base Conversions

The number eightteen thousand three hundred and eleven in 35 different bases