The Number

21955

Twenty-One Thousand Nine Hundred and Fifty-Five

In Base 21 Unovigesimal Is

27ga21

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

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

Nearby Numbers

Positive, nonzero integers within three units

21952
27g721
Twenty-One Thousand Nine Hundred and Fifty-Two in Base 21 Unovigesimal
21953
27g821
Twenty-One Thousand Nine Hundred and Fifty-Three in Base 21 Unovigesimal
21954
27g921
Twenty-One Thousand Nine Hundred and Fifty-Four in Base 21 Unovigesimal
21956
27gb21
Twenty-One Thousand Nine Hundred and Fifty-Six in Base 21 Unovigesimal
21957
27gc21
Twenty-One Thousand Nine Hundred and Fifty-Seven in Base 21 Unovigesimal
21958
27gd21
Twenty-One Thousand Nine Hundred and Fifty-Eight in Base 21 Unovigesimal

Scientific Notation

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

2.1955e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008i099e42408121

The reciprocal of 21955 in Base 21 Unovigesimal.

Palindrome?

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

The number 27ga21 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 fifty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and fifty-five 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 fifty-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
4391
9k221
Four Thousand Three Hundred and Ninety-One in Base 21 Unovigesimal

Prime Factorization

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

5211 · 9k2211 = 27ga21

Base Conversions

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