The Number

221390

Two Hundred and Twenty-One Thousand Three Hundred and Ninety

In Base 28 Octovigesimal Is

a2am28

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 in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221387
a2aj28
Two Hundred and Twenty-One Thousand Three Hundred and Eighty-Seven in Base 28 Octovigesimal
221388
a2ak28
Two Hundred and Twenty-One Thousand Three Hundred and Eighty-Eight in Base 28 Octovigesimal
221389
a2al28
Two Hundred and Twenty-One Thousand Three Hundred and Eighty-Nine in Base 28 Octovigesimal
221391
a2an28
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-One in Base 28 Octovigesimal
221392
a2ao28
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Two in Base 28 Octovigesimal
221393
a2ap28
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Three in Base 28 Octovigesimal

Scientific Notation

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

2.21390e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0002lkibna4fpp28

The reciprocal of 221390 in Base 28 Octovigesimal.

Palindrome?

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

The number a2am28 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 is a composite number with 24 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 is a composite number with 24 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 has the following 4 prime factors:

2
228
Two in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal
13
d28
Thirteen in Base 28 Octovigesimal
131
4j28
One Hundred and Thirty-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

2281 · 5281 · d282 · 4j281 = a2am28

Base Conversions

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