The Number

72109

Seventy-Two Thousand One Hundred and Nine

Nearby Numbers

Positive, nonzero integers within three units

72106
Seventy-Two Thousand One Hundred and Six
72107
Seventy-Two Thousand One Hundred and Seven
72108
Seventy-Two Thousand One Hundred and Eight
72110
Seventy-Two Thousand One Hundred and Ten
72111
Seventy-Two Thousand One Hundred and Eleven
72112
Seventy-Two Thousand One Hundred and Twelve

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.

0.000013867894437587541

The reciprocal of 72109.

Palindrome?

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

The number 72109 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 10 Decimal

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
Seventy-Two Thousand One Hundred and Nine

Prime Factorization

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

721091 = 72109

Base Conversions

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