The Number

4191

Four Thousand One Hundred and Ninety-One

In Base 21 Unovigesimal Is

9ac21

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

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

Nearby Numbers

Positive, nonzero integers within three units

4188
9a921
Four Thousand One Hundred and Eighty-Eight in Base 21 Unovigesimal
4189
9aa21
Four Thousand One Hundred and Eighty-Nine in Base 21 Unovigesimal
4190
9ab21
Four Thousand One Hundred and Ninety in Base 21 Unovigesimal
4192
9ad21
Four Thousand One Hundred and Ninety-Two in Base 21 Unovigesimal
4193
9ae21
Four Thousand One Hundred and Ninety-Three in Base 21 Unovigesimal
4194
9af21
Four 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.

4.191e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00248a7aak96f2421

The reciprocal of 4191 in Base 21 Unovigesimal.

Palindrome?

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

The number 9ac21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Four 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.

Four 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 four thousand one hundred and ninety-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
127
6121
One Hundred and Twenty-Seven 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 · b211 · 61211 = 9ac21

Base Conversions

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