The Number

18109

Eightteen Thousand One Hundred and Nine

In Base 21 Unovigesimal Is

1k1721

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

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

Nearby Numbers

Positive, nonzero integers within three units

18106
1k1421
Eightteen Thousand One Hundred and Six in Base 21 Unovigesimal
18107
1k1521
Eightteen Thousand One Hundred and Seven in Base 21 Unovigesimal
18108
1k1621
Eightteen Thousand One Hundred and Eight in Base 21 Unovigesimal
18110
1k1821
Eightteen Thousand One Hundred and Ten in Base 21 Unovigesimal
18111
1k1921
Eightteen Thousand One Hundred and Eleven in Base 21 Unovigesimal
18112
1k1a21
Eightteen Thousand One Hundred and Twelve in Base 21 Unovigesimal

Scientific Notation

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

1.8109e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000afb2442g2f2521

The reciprocal of 18109 in Base 21 Unovigesimal.

Palindrome?

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

The number 1k1721 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 one hundred and nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand one hundred and nine 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 eightteen thousand one hundred and nine has the following 3 prime factors:

7
721
Seven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
199
9a21
One Hundred and Ninety-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

7211 · d211 · 9a211 = 1k1721

Base Conversions

The number eightteen thousand one hundred and nine in 35 different bases