The Number
390138
Three Hundred and Ninety Thousand One Hundred and Thirty-Eight
In Base 21 Unovigesimal Is
202e021
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Three Hundred and Ninety Thousand One Hundred and Thirty-Eight 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.
3.90138e5
Reciprocal
A number multiplied with its reciprocal is one.
0.0000a9hb826e8c6121
The reciprocal of 390138 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 202e021 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Three hundred and ninety thousand one hundred and thirty-eight is a composite number with 24 total factors (including 1 and itself). See primes in Base 21 Unovigesimal
A Composite
Composites have more than just these two factors.
Three hundred and ninety thousand one hundred and thirty-eight is a composite number with 24 total factors (including 1 and itself).
Prime Factors
The number three hundred and ninety thousand one hundred and thirty-eight has the following 4 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
2211
·
3211
·
7212
·
304211
= 202e021
Base Conversions
The number three hundred and ninety thousand one hundred and thirty-eight in 35 different bases