The Number

21971

Twenty-One Thousand Nine Hundred and Seventy-One

In Base 28 Octovigesimal Is

100j28

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

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

Nearby Numbers

Positive, nonzero integers within three units

21968
100g28
Twenty-One Thousand Nine Hundred and Sixty-Eight in Base 28 Octovigesimal
21969
100h28
Twenty-One Thousand Nine Hundred and Sixty-Nine in Base 28 Octovigesimal
21970
100i28
Twenty-One Thousand Nine Hundred and Seventy in Base 28 Octovigesimal
21972
100k28
Twenty-One Thousand Nine Hundred and Seventy-Two in Base 28 Octovigesimal
21973
100l28
Twenty-One Thousand Nine Hundred and Seventy-Three in Base 28 Octovigesimal
21974
100m28
Twenty-One Thousand Nine Hundred and Seventy-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.

2.1971e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000rr90coj76q428

The reciprocal of 21971 in Base 28 Octovigesimal.

Palindrome?

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

The number 100j28 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand nine hundred and seventy-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.

Twenty-one thousand nine hundred and seventy-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 twenty-one thousand nine hundred and seventy-one has the following 2 prime factors:

127
4f28
One Hundred and Twenty-Seven in Base 28 Octovigesimal
173
6528
One Hundred and Seventy-Three in Base 28 Octovigesimal

Prime Factorization

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

4f281 · 65281 = 100j28

Base Conversions

The number twenty-one thousand nine hundred and seventy-one in 35 different bases