The Number
12840
Twelve Thousand Eight Hundred and Forty
In Base 18 Octodecimal Is
23b618
The numbers with a 18 subscript use Base 18 Octodecimal notation.
For more familiar numbers: See Twelve Thousand Eight 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.
1.2840e4
Reciprocal
A number multiplied with its reciprocal is one.
0.000832gc6f9e431c18
The reciprocal of 12840 in Base 18 Octodecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 23b618 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Twelve thousand eight hundred and forty is a composite number with 32 total factors (including 1 and itself). See primes in Base 18 Octodecimal
A Composite
Composites have more than just these two factors.
Twelve thousand eight hundred and forty is a composite number with 32 total factors (including 1 and itself).
Prime Factors
The number twelve thousand eight hundred and forty 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
2183
·
3181
·
5181
·
5h181
= 23b618
Base Conversions
The number twelve thousand eight hundred and forty in 35 different bases