The Number

72128

Seventy-Two Thousand One Hundred and Twenty-Eight

In Base 18 Octodecimal Is

c6b218

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

72125
c6ah18
Seventy-Two Thousand One Hundred and Twenty-Five in Base 18 Octodecimal
72126
c6b018
Seventy-Two Thousand One Hundred and Twenty-Six in Base 18 Octodecimal
72127
c6b118
Seventy-Two Thousand One Hundred and Twenty-Seven in Base 18 Octodecimal
72129
c6b318
Seventy-Two Thousand One Hundred and Twenty-Nine in Base 18 Octodecimal
72130
c6b418
Seventy-Two Thousand One Hundred and Thirty in Base 18 Octodecimal
72131
c6b518
Seventy-Two Thousand One Hundred and Thirty-One in Base 18 Octodecimal

Scientific Notation

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

7.2128e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001839h7167f800b18

The reciprocal of 72128 in Base 18 Octodecimal.

Palindrome?

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

The number c6b218 is not a palindrome.

Not A Prime Number

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

Seventy-two thousand one hundred and twenty-eight is a composite number with 42 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Seventy-two thousand one hundred and twenty-eight is a composite number with 42 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 seventy-two thousand one hundred and twenty-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal

Prime Factorization

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

2186 · 7182 · 15181 = c6b218

Base Conversions

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