The Number

221397

Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Seven

In Base 28 Octovigesimal Is

a2b128

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

For more familiar numbers: See Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221394
a2aq28
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Four in Base 28 Octovigesimal
221395
a2ar28
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Five in Base 28 Octovigesimal
221396
a2b028
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Six in Base 28 Octovigesimal
221398
a2b228
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Eight in Base 28 Octovigesimal
221399
a2b328
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Nine in Base 28 Octovigesimal
221400
a2b428
Two Hundred and Twenty-One Thousand Four Hundred in Base 28 Octovigesimal

Scientific Notation

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

2.21397e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0002lkgdoha1him28

The reciprocal of 221397 in Base 28 Octovigesimal.

Palindrome?

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

The number a2b128 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 three hundred and ninety-seven 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 three hundred and ninety-seven 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 three hundred and ninety-seven has the following 3 prime factors:

3
328
Three in Base 28 Octovigesimal
11
b28
Eleven in Base 28 Octovigesimal
6709
8fh28
Six Thousand Seven Hundred and 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 · b281 · 8fh281 = a2b128

Base Conversions

The number two hundred and twenty-one thousand three hundred and ninety-seven in 35 different bases