The Number

72145

Seventy-Two Thousand One Hundred and Forty-Five

In Base 18 Octodecimal Is

c6c118

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

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

Nearby Numbers

Positive, nonzero integers within three units

72142
c6bg18
Seventy-Two Thousand One Hundred and Forty-Two in Base 18 Octodecimal
72143
c6bh18
Seventy-Two Thousand One Hundred and Forty-Three in Base 18 Octodecimal
72144
c6c018
Seventy-Two Thousand One Hundred and Forty-Four in Base 18 Octodecimal
72146
c6c218
Seventy-Two Thousand One Hundred and Forty-Six in Base 18 Octodecimal
72147
c6c318
Seventy-Two Thousand One Hundred and Forty-Seven in Base 18 Octodecimal
72148
c6c418
Seventy-Two Thousand One Hundred and Forty-Eight in Base 18 Octodecimal

Scientific Notation

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

7.2145e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001837h70g9d06hd18

The reciprocal of 72145 in Base 18 Octodecimal.

Palindrome?

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

The number c6c118 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 forty-five is a composite number with 8 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 forty-five 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 seventy-two thousand one hundred and forty-five has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
47
2b18
Forty-Seven in Base 18 Octodecimal
307
h118
Three Hundred and Seven in Base 18 Octodecimal

Prime Factorization

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

5181 · 2b181 · h1181 = c6c118

Base Conversions

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