The Number

2191

Two Thousand One Hundred and Ninety-One

In Base 28 Octovigesimal Is

2m728

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

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

Nearby Numbers

Positive, nonzero integers within three units

2188
2m428
Two Thousand One Hundred and Eighty-Eight in Base 28 Octovigesimal
2189
2m528
Two Thousand One Hundred and Eighty-Nine in Base 28 Octovigesimal
2190
2m628
Two Thousand One Hundred and Ninety in Base 28 Octovigesimal
2192
2m828
Two Thousand One Hundred and Ninety-Two in Base 28 Octovigesimal
2193
2m928
Two Thousand One Hundred and Ninety-Three in Base 28 Octovigesimal
2194
2ma28
Two Thousand One Hundred and Ninety-Four in Base 28 Octovigesimal

Scientific Notation

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

2.191e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00a0f0mf5mmk5k28

The reciprocal of 2191 in Base 28 Octovigesimal.

Palindrome?

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

The number 2m728 is not a palindrome.

Not A Prime Number

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

Two thousand one hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Two thousand one hundred and ninety-one is a composite number with 4 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 thousand one hundred and ninety-one has the following 2 prime factors:

7
728
Seven in Base 28 Octovigesimal
313
b528
Three Hundred and Thirteen in Base 28 Octovigesimal

Prime Factorization

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

7281 · b5281 = 2m728

Base Conversions

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