The Number

221871

Two Hundred and Twenty-One Thousand Eight Hundred and Seventy-One

In Base 28 Octovigesimal Is

a2rr28

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

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

Nearby Numbers

Positive, nonzero integers within three units

221868
a2ro28
Two Hundred and Twenty-One Thousand Eight Hundred and Sixty-Eight in Base 28 Octovigesimal
221869
a2rp28
Two Hundred and Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 28 Octovigesimal
221870
a2rq28
Two Hundred and Twenty-One Thousand Eight Hundred and Seventy in Base 28 Octovigesimal
221872
a30028
Two Hundred and Twenty-One Thousand Eight Hundred and Seventy-Two in Base 28 Octovigesimal
221873
a30128
Two Hundred and Twenty-One Thousand Eight Hundred and Seventy-Three in Base 28 Octovigesimal
221874
a30228
Two Hundred and Twenty-One Thousand Eight Hundred and Seventy-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.

2.21871e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0002lfq87eaeb3528

The reciprocal of 221871 in Base 28 Octovigesimal.

Palindrome?

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

The number a2rr28 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 eight hundred and seventy-one is a composite number with 8 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 eight hundred and seventy-one is a composite number with 8 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 eight hundred and seventy-one has the following 3 prime factors:

3
328
Three in Base 28 Octovigesimal
13
d28
Thirteen in Base 28 Octovigesimal
5689
77528
Five Thousand Six Hundred and Eighty-Nine in Base 28 Octovigesimal

Prime Factorization

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

3281 · d281 · 775281 = a2rr28

Base Conversions

The number two hundred and twenty-one thousand eight hundred and seventy-one in 35 different bases