The Number

21945

Twenty-One Thousand Nine Hundred and Forty-Five

In Base 27 Heptavigesimal Is

132l27

The numbers with a 27 subscript use Base 27 Heptavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21942
132i27
Twenty-One Thousand Nine Hundred and Forty-Two in Base 27 Heptavigesimal
21943
132j27
Twenty-One Thousand Nine Hundred and Forty-Three in Base 27 Heptavigesimal
21944
132k27
Twenty-One Thousand Nine Hundred and Forty-Four in Base 27 Heptavigesimal
21946
132m27
Twenty-One Thousand Nine Hundred and Forty-Six in Base 27 Heptavigesimal
21947
132n27
Twenty-One Thousand Nine Hundred and Forty-Seven in Base 27 Heptavigesimal
21948
132o27
Twenty-One Thousand Nine Hundred and Forty-Eight in Base 27 Heptavigesimal

Scientific Notation

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

2.1945e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000o5n46ocbk5k27

The reciprocal of 21945 in Base 27 Heptavigesimal.

Palindrome?

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

The number 132l27 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 forty-five is a composite number with 32 total factors (including 1 and itself).   See primes in Base 27 Heptavigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and forty-five is a composite number with 32 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 forty-five has the following 5 prime factors:

3
327
Three in Base 27 Heptavigesimal
5
527
Five in Base 27 Heptavigesimal
7
727
Seven in Base 27 Heptavigesimal
11
b27
Eleven in Base 27 Heptavigesimal
19
j27
Nineteen in Base 27 Heptavigesimal

Prime Factorization

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

3271 · 5271 · 7271 · b271 · j271 = 132l27

Base Conversions

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