The Number

21491

Twenty-One Thousand Four Hundred and Ninety-One

In Base 27 Heptavigesimal Is

12cq27

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

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

Nearby Numbers

Positive, nonzero integers within three units

21488
12cn27
Twenty-One Thousand Four Hundred and Eighty-Eight in Base 27 Heptavigesimal
21489
12co27
Twenty-One Thousand Four Hundred and Eighty-Nine in Base 27 Heptavigesimal
21490
12cp27
Twenty-One Thousand Four Hundred and Ninety in Base 27 Heptavigesimal
21492
12d027
Twenty-One Thousand Four Hundred and Ninety-Two in Base 27 Heptavigesimal
21493
12d127
Twenty-One Thousand Four Hundred and Ninety-Three in Base 27 Heptavigesimal
21494
12d227
Twenty-One Thousand Four Hundred and Ninety-Four in Base 27 Heptavigesimal

Scientific Notation

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

2.1491e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000oji2lj62fln27

The reciprocal of 21491 in Base 27 Heptavigesimal.

Palindrome?

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

The number 12cq27 is not a palindrome.

A Prime Number

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

Twenty-one thousand four hundred and ninety-one is the 2410th prime number.   See primes in Base 27 Heptavigesimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand Four Hundred and Ninety-One is not a composite number because it has exactly two factors: One and Twenty-One Thousand Four Hundred and Ninety-One

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 four hundred and ninety-one has the following 1 prime factor:

21491
12cq27
Twenty-One Thousand Four Hundred and Ninety-One in Base 27 Heptavigesimal

Prime Factorization

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

12cq271 = 12cq27

Base Conversions

The number twenty-one thousand four hundred and ninety-one in 35 different bases