The Number

281

Two Hundred and Eighty-One

In Base 28 Octovigesimal Is

a128

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

278
9q28
Two Hundred and Seventy-Eight in Base 28 Octovigesimal
279
9r28
Two Hundred and Seventy-Nine in Base 28 Octovigesimal
280
a028
Two Hundred and Eighty in Base 28 Octovigesimal
282
a228
Two Hundred and Eighty-Two in Base 28 Octovigesimal
283
a328
Two Hundred and Eighty-Three in Base 28 Octovigesimal
284
a428
Two Hundred and Eighty-Four in Base 28 Octovigesimal

Scientific Notation

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

2.81e2

Reciprocal

A number multiplied with its reciprocal is one.

0.02m3ao357obfh28

The reciprocal of 281 in Base 28 Octovigesimal.

Palindrome?

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

The number a128 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two hundred and eighty-one is the 60th prime number.   See primes in Base 28 Octovigesimal

Not A Composite

Composites have more than just these two factors.

Two Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Two Hundred and Eighty-One

Prime Factors

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

The number two hundred and eighty-one has the following 1 prime factor:

281
a128
Two Hundred and Eighty-One in Base 28 Octovigesimal

Prime Factorization

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

a1281 = a128

Base Conversions

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