The Number
805139
Eight Hundred and Five Thousand One Hundred and Thirty-Nine
In Base 21 Unovigesimal Is
42jek21
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Eight Hundred and Five 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.
8.05139e5
Reciprocal
A number multiplied with its reciprocal is one.
0.000051akgji1101121
The reciprocal of 805139 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 42jek21 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Eight hundred and five thousand one hundred and thirty-nine is a composite number with 8 total factors (including 1 and itself). See primes in Base 21 Unovigesimal
A Composite
Composites have more than just these two factors.
Eight hundred and five thousand one hundred and thirty-nine is a composite number with 8 total factors (including 1 and itself).
Prime Factors
The number eight hundred and five thousand one hundred and thirty-nine 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
2j211
·
34211
·
98211
= 42jek21
Base Conversions
The number eight hundred and five thousand one hundred and thirty-nine in 35 different bases