The Number

72109

Seventy-Two Thousand One Hundred and Nine

In Base 21 Unovigesimal Is

7gag21

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

For more familiar numbers: See Seventy-Two Thousand One Hundred and Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

72106
7gad21
Seventy-Two Thousand One Hundred and Six in Base 21 Unovigesimal
72107
7gae21
Seventy-Two Thousand One Hundred and Seven in Base 21 Unovigesimal
72108
7gaf21
Seventy-Two Thousand One Hundred and Eight in Base 21 Unovigesimal
72110
7gah21
Seventy-Two Thousand One Hundred and Ten in Base 21 Unovigesimal
72111
7gai21
Seventy-Two Thousand One Hundred and Eleven in Base 21 Unovigesimal
72112
7gaj21
Seventy-Two 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.

7.2109e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002ed868hd805821

The reciprocal of 72109 in Base 21 Unovigesimal.

Palindrome?

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

The number 7gag21 is not a palindrome.

A Prime Number

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

Seventy-two thousand one hundred and nine is the 7140th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Seventy-Two Thousand One Hundred and Nine is not a composite number because it has exactly two factors: One and Seventy-Two 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 seventy-two thousand one hundred and nine has the following 1 prime factor:

72109
7gag21
Seventy-Two 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

7gag211 = 7gag21

Base Conversions

The number seventy-two thousand one hundred and nine in 35 different bases