The Number

381

Three Hundred and Eighty-One

In Base 5 Quinary Is

30115

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

378
30035
Three Hundred and Seventy-Eight in Base 5 Quinary
379
30045
Three Hundred and Seventy-Nine in Base 5 Quinary
380
30105
Three Hundred and Eighty in Base 5 Quinary
382
30125
Three Hundred and Eighty-Two in Base 5 Quinary
383
30135
Three Hundred and Eighty-Three in Base 5 Quinary
384
30145
Three Hundred and Eighty-Four in Base 5 Quinary

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.

0.000131001124010111040444325

The reciprocal of 381 in Base 5 Quinary.

Palindrome?

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

The number 30115 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 is a composite number with 4 total factors (including 1 and itself).   See primes in Base 5 Quinary

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

The number three hundred and eighty-one has the following 2 prime factors:

3
35
Three in Base 5 Quinary
127
10025
One Hundred and Twenty-Seven in Base 5 Quinary

Prime Factorization

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

351 · 100251 = 30115

Base Conversions

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