The Number

221981

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

In Base 28 Octovigesimal Is

a33p28

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

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

Nearby Numbers

Positive, nonzero integers within three units

221978
a33m28
Two Hundred and Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 28 Octovigesimal
221979
a33n28
Two Hundred and Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 28 Octovigesimal
221980
a33o28
Two Hundred and Twenty-One Thousand Nine Hundred and Eighty in Base 28 Octovigesimal
221982
a33q28
Two Hundred and Twenty-One Thousand Nine Hundred and Eighty-Two in Base 28 Octovigesimal
221983
a33r28
Two Hundred and Twenty-One Thousand Nine Hundred and Eighty-Three in Base 28 Octovigesimal
221984
a34028
Two Hundred and Twenty-One Thousand Nine 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.

2.21981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0002leo4d1f73bp28

The reciprocal of 221981 in Base 28 Octovigesimal.

Palindrome?

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

The number a33p28 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 nine 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 nine 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 nine hundred and eighty-one has the following 2 prime factors:

47
1j28
Forty-Seven in Base 28 Octovigesimal
4723
60j28
Four Thousand Seven Hundred and Twenty-Three in Base 28 Octovigesimal

Prime Factorization

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

1j281 · 60j281 = a33p28

Base Conversions

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