The Number
72139
Seventy-Two Thousand One Hundred and Thirty-Nine
In Base 18 Octodecimal Is
c6bd18
The numbers with a 18 subscript use Base 18 Octodecimal notation.
For more familiar numbers: See Seventy-Two Thousand One Hundred and Thirty-Nine in Base 10 Decimal
Nearby Numbers
Positive, nonzero integers within three units
Scientific Notation
Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.
7.2139e4
Reciprocal
A number multiplied with its reciprocal is one.
0.0001838c1d2d3bb118
The reciprocal of 72139 in Base 18 Octodecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number c6bd18 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 thirty-nine is the 7141st prime number. See primes in Base 18 Octodecimal
Not A Composite
Composites have more than just these two factors.
Seventy-Two Thousand One Hundred and Thirty-Nine is not a composite number because it has exactly two factors: One and Seventy-Two Thousand One Hundred and Thirty-Nine
Prime Factors
The number seventy-two thousand one hundred and thirty-nine has the following 1 prime factor:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
c6bd181
= c6bd18
Base Conversions
The number seventy-two thousand one hundred and thirty-nine in 35 different bases