The Number

381381

Three Hundred and Eighty-One Thousand Three Hundred and Eighty-One

In Base 18 Octodecimal Is

3b71f18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Three Hundred and Eighty-One Thousand Three Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

381378
3b71c18
Three Hundred and Eighty-One Thousand Three Hundred and Seventy-Eight in Base 18 Octodecimal
381379
3b71d18
Three Hundred and Eighty-One Thousand Three Hundred and Seventy-Nine in Base 18 Octodecimal
381380
3b71e18
Three Hundred and Eighty-One Thousand Three Hundred and Eighty in Base 18 Octodecimal
381382
3b71g18
Three Hundred and Eighty-One Thousand Three Hundred and Eighty-Two in Base 18 Octodecimal
381383
3b71h18
Three Hundred and Eighty-One Thousand Three Hundred and Eighty-Three in Base 18 Octodecimal
381384
3b72018
Three Hundred and Eighty-One Thousand Three Hundred and Eighty-Four in Base 18 Octodecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

3.81381e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004h34fh20edce318

The reciprocal of 381381 in Base 18 Octodecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 3b71f18 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 eighty-one thousand three hundred and eighty-one 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.

Three hundred and eighty-one thousand three hundred and eighty-one is a composite number with 32 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number three hundred and eighty-one thousand three hundred and eighty-one has the following 5 prime factors:

3
318
Three in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
127
7118
One Hundred and Twenty-Seven in Base 18 Octodecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3181 · 7181 · b181 · d181 · 71181 = 3b71f18

Base Conversions

The number three hundred and eighty-one thousand three hundred and eighty-one in 35 different bases