The Number
138640
One Hundred and Thirty-Eight Thousand Six Hundred and Forty
In Base 8 Octal Is
4166208
The numbers with a 8 subscript use Base 8 Octal notation.
For more familiar numbers: See One Hundred and Thirty-Eight Thousand Six Hundred and Forty 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.
1.38640e5
Reciprocal
A number multiplied with its reciprocal is one.
0.0000017100643606600333248
The reciprocal of 138640 in Base 8 Octal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 4166208 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
One hundred and thirty-eight thousand six hundred and forty is a composite number with 20 total factors (including 1 and itself). See primes in Base 8 Octal
A Composite
Composites have more than just these two factors.
One hundred and thirty-eight thousand six hundred and forty is a composite number with 20 total factors (including 1 and itself).
Prime Factors
The number one hundred and thirty-eight thousand six hundred and forty has the following 3 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
284
·
581
·
330581
= 4166208
Base Conversions
The number one hundred and thirty-eight thousand six hundred and forty in 35 different bases