The Number

221191

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

In Base 21 Unovigesimal Is

12ibj21

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

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

Nearby Numbers

Positive, nonzero integers within three units

221188
12ibg21
Two Hundred and Twenty-One Thousand One Hundred and Eighty-Eight in Base 21 Unovigesimal
221189
12ibh21
Two Hundred and Twenty-One Thousand One Hundred and Eighty-Nine in Base 21 Unovigesimal
221190
12ibi21
Two Hundred and Twenty-One Thousand One Hundred and Ninety in Base 21 Unovigesimal
221192
12ibk21
Two Hundred and Twenty-One Thousand One Hundred and Ninety-Two in Base 21 Unovigesimal
221193
12ic021
Two Hundred and Twenty-One Thousand One Hundred and Ninety-Three in Base 21 Unovigesimal
221194
12ic121
Two Hundred and Twenty-One Thousand One Hundred 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.

2.21191e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i9fe7if748f521

The reciprocal of 221191 in Base 21 Unovigesimal.

Palindrome?

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

The number 12ibj21 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 one hundred 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 one hundred 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 one hundred and ninety-one has the following 3 prime factors:

23
1221
Twenty-Three in Base 21 Unovigesimal
59
2h21
Fifty-Nine in Base 21 Unovigesimal
163
7g21
One Hundred and Sixty-Three in Base 21 Unovigesimal

Prime Factorization

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

12211 · 2h211 · 7g211 = 12ibj21

Base Conversions

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