The Number

12109

Twelve Thousand One Hundred and Nine

In Base 21 Unovigesimal Is

169d21

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

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

Nearby Numbers

Positive, nonzero integers within three units

12106
169a21
Twelve Thousand One Hundred and Six in Base 21 Unovigesimal
12107
169b21
Twelve Thousand One Hundred and Seven in Base 21 Unovigesimal
12108
169c21
Twelve Thousand One Hundred and Eight in Base 21 Unovigesimal
12110
169e21
Twelve Thousand One Hundred and Ten in Base 21 Unovigesimal
12111
169f21
Twelve Thousand One Hundred and Eleven in Base 21 Unovigesimal
12112
169g21
Twelve 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.

1.2109e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000g15hdhkg6731a21

The reciprocal of 12109 in Base 21 Unovigesimal.

Palindrome?

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

The number 169d21 is not a palindrome.

A Prime Number

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

Twelve thousand one hundred and nine is the 1450th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Twelve Thousand One Hundred and Nine is not a composite number because it has exactly two factors: One and Twelve Thousand One Hundred and Nine

Prime Factors

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

The number twelve thousand one hundred and nine has the following 1 prime factor:

12109
169d21
Twelve Thousand One Hundred and 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

169d211 = 169d21

Base Conversions

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