The Number

20993

Twenty Thousand Nine Hundred and Ninety-Three

In Base 21 Unovigesimal Is

25ce21

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

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

Nearby Numbers

Positive, nonzero integers within three units

20990
25cb21
Twenty Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
20991
25cc21
Twenty Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
20992
25cd21
Twenty Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
20994
25cf21
Twenty Thousand Nine Hundred and Ninety-Four in Base 21 Unovigesimal
20995
25cg21
Twenty Thousand Nine Hundred and Ninety-Five in Base 21 Unovigesimal
20996
25ch21
Twenty Thousand Nine Hundred and Ninety-Six in Base 21 Unovigesimal

Scientific Notation

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

2.0993e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00095b9f23i9g2gd21

The reciprocal of 20993 in Base 21 Unovigesimal.

Palindrome?

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

The number 25ce21 is not a palindrome.

Not A Prime Number

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

Twenty thousand nine hundred and ninety-three 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 thousand nine hundred and ninety-three 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 thousand nine hundred and ninety-three has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
2999
6gh21
Two Thousand Nine Hundred and Ninety-Nine in Base 21 Unovigesimal

Prime Factorization

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

7211 · 6gh211 = 25ce21

Base Conversions

The number twenty thousand nine hundred and ninety-three in 35 different bases