The Number

21971

Twenty-One Thousand Nine Hundred and Seventy-One

In Base 22 Duovigesimal Is

218f22

The numbers with a 22 subscript use Base 22 Duovigesimal 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
218c22
Twenty-One Thousand Nine Hundred and Sixty-Eight in Base 22 Duovigesimal
21969
218d22
Twenty-One Thousand Nine Hundred and Sixty-Nine in Base 22 Duovigesimal
21970
218e22
Twenty-One Thousand Nine Hundred and Seventy in Base 22 Duovigesimal
21972
218g22
Twenty-One Thousand Nine Hundred and Seventy-Two in Base 22 Duovigesimal
21973
218h22
Twenty-One Thousand Nine Hundred and Seventy-Three in Base 22 Duovigesimal
21974
218i22
Twenty-One Thousand Nine Hundred and Seventy-Four in Base 22 Duovigesimal

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.

0.000aec9c58e5i3e22

The reciprocal of 21971 in Base 22 Duovigesimal.

Palindrome?

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

The number 218f22 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 22 Duovigesimal

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
5h22
One Hundred and Twenty-Seven in Base 22 Duovigesimal
173
7j22
One Hundred and Seventy-Three in Base 22 Duovigesimal

Prime Factorization

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

5h221 · 7j221 = 218f22

Base Conversions

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