The Number

18091

Eightteen Thousand and Ninety-One

In Base 21 Unovigesimal Is

1k0a21

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

For more familiar numbers: See Eightteen Thousand and Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18088
1k0721
Eightteen Thousand and Eighty-Eight in Base 21 Unovigesimal
18089
1k0821
Eightteen Thousand and Eighty-Nine in Base 21 Unovigesimal
18090
1k0921
Eightteen Thousand and Ninety in Base 21 Unovigesimal
18092
1k0b21
Eightteen Thousand and Ninety-Two in Base 21 Unovigesimal
18093
1k0c21
Eightteen Thousand and Ninety-Three in Base 21 Unovigesimal
18094
1k0d21
Eightteen Thousand and Ninety-Four in Base 21 Unovigesimal

Scientific Notation

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

1.8091e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000affh36bkjch5a21

The reciprocal of 18091 in Base 21 Unovigesimal.

Palindrome?

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

The number 1k0a21 is not a palindrome.

Not A Prime Number

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

Eightteen thousand and ninety-one 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.

Eightteen thousand and ninety-one 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 eightteen thousand and ninety-one has the following 2 prime factors:

79
3g21
Seventy-Nine in Base 21 Unovigesimal
229
aj21
Two Hundred and Twenty-Nine in Base 21 Unovigesimal

Prime Factorization

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

3g211 · aj211 = 1k0a21

Base Conversions

The number eightteen thousand and ninety-one in 35 different bases