The Number
381
Three Hundred and Eighty-One
In Base 8 Octal Is
5758
The numbers with a 8 subscript use Base 8 Octal notation.
For more familiar numbers: See Three Hundred and Eighty-One 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.
3.81e2
Reciprocal
A number multiplied with its reciprocal is one.
0.00126002540053001268
The reciprocal of 381 in Base 8 Octal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 5758 is a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Three hundred and eighty-one is a composite number with 4 total factors (including 1 and itself). See primes in Base 8 Octal
A Composite
Composites have more than just these two factors.
Three hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).
Prime Factors
The number three hundred and eighty-one 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
381
·
17781
= 5758
Base Conversions
The number three hundred and eighty-one in 35 different bases