The Number

20900

Twenty Thousand Nine Hundred

In Base 21 Unovigesimal Is

258521

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

For more familiar numbers: See Twenty Thousand Nine Hundred in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20897
258221
Twenty Thousand Eight Hundred and Ninety-Seven in Base 21 Unovigesimal
20898
258321
Twenty Thousand Eight Hundred and Ninety-Eight in Base 21 Unovigesimal
20899
258421
Twenty Thousand Eight Hundred and Ninety-Nine in Base 21 Unovigesimal
20901
258621
Twenty Thousand Nine Hundred and One in Base 21 Unovigesimal
20902
258721
Twenty Thousand Nine Hundred and Two in Base 21 Unovigesimal
20903
258821
Twenty Thousand Nine Hundred and Three in Base 21 Unovigesimal

Scientific Notation

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

2.0900e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000968da3kc371c21

The reciprocal of 20900 in Base 21 Unovigesimal.

Palindrome?

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

The number 258521 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 is a composite number with 36 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 is a composite number with 36 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 has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal

Prime Factorization

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

2212 · 5212 · b211 · j211 = 258521

Base Conversions

The number twenty thousand nine hundred in 35 different bases