The Number
138505
One Hundred and Thirty-Eight Thousand Five Hundred and Five
In Base 21 Unovigesimal Is
ek1a21
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See One Hundred and Thirty-Eight Thousand Five Hundred and Five 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.
1.38505e5
Reciprocal
A number multiplied with its reciprocal is one.
0.00018a4g7k11ha2921
The reciprocal of 138505 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number ek1a21 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 five hundred and five is a composite number with 4 total factors (including 1 and itself). See primes in Base 21 Unovigesimal
A Composite
Composites have more than just these two factors.
One hundred and thirty-eight thousand five hundred and five is a composite number with 4 total factors (including 1 and itself).
Prime Factors
The number one hundred and thirty-eight thousand five hundred and five has the following 2 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
5211
·
2kh2211
= ek1a21
Base Conversions
The number one hundred and thirty-eight thousand five hundred and five in 35 different bases