The Number

221681

Two Hundred and Twenty-One Thousand Six Hundred and Eighty-One

In Base 28 Octovigesimal Is

a2l528

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

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

Nearby Numbers

Positive, nonzero integers within three units

221678
a2l228
Two Hundred and Twenty-One Thousand Six Hundred and Seventy-Eight in Base 28 Octovigesimal
221679
a2l328
Two Hundred and Twenty-One Thousand Six Hundred and Seventy-Nine in Base 28 Octovigesimal
221680
a2l428
Two Hundred and Twenty-One Thousand Six Hundred and Eighty in Base 28 Octovigesimal
221682
a2l628
Two Hundred and Twenty-One Thousand Six Hundred and Eighty-Two in Base 28 Octovigesimal
221683
a2l728
Two Hundred and Twenty-One Thousand Six Hundred and Eighty-Three in Base 28 Octovigesimal
221684
a2l828
Two Hundred and Twenty-One Thousand Six 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.

2.21681e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0002lhmbk24knrd28

The reciprocal of 221681 in Base 28 Octovigesimal.

Palindrome?

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

The number a2l528 is not a palindrome.

Not A Prime Number

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

Two hundred and twenty-one thousand six hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand six 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 two hundred and twenty-one thousand six hundred and eighty-one has the following 2 prime factors:

31
1328
Thirty-One in Base 28 Octovigesimal
7151
93b28
Seven Thousand One Hundred and Fifty-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

13281 · 93b281 = a2l528

Base Conversions

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