The Number

221091

Two Hundred and Twenty-One Thousand and Ninety-One

In Base 21 Unovigesimal Is

12i7321

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

221088
12i7021
Two Hundred and Twenty-One Thousand and Eighty-Eight in Base 21 Unovigesimal
221089
12i7121
Two Hundred and Twenty-One Thousand and Eighty-Nine in Base 21 Unovigesimal
221090
12i7221
Two Hundred and Twenty-One Thousand and Ninety in Base 21 Unovigesimal
221092
12i7421
Two Hundred and Twenty-One Thousand and Ninety-Two in Base 21 Unovigesimal
221093
12i7521
Two Hundred and Twenty-One Thousand and Ninety-Three in Base 21 Unovigesimal
221094
12i7621
Two Hundred and Twenty-One Thousand and Ninety-Four in Base 21 Unovigesimal

Scientific Notation

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

2.21091e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i9j7f1c719eg21

The reciprocal of 221091 in Base 21 Unovigesimal.

Palindrome?

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

The number 12i7321 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 and ninety-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand and ninety-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 and ninety-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
5669
chk21
Five Thousand Six Hundred and Sixty-Nine in Base 21 Unovigesimal

Prime Factorization

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

3211 · d211 · chk211 = 12i7321

Base Conversions

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