The Number

21481

Twenty-One Thousand Four Hundred and Eighty-One

In Base 20 Vigesimal Is

2de120

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21478
2ddi20
Twenty-One Thousand Four Hundred and Seventy-Eight in Base 20 Vigesimal
21479
2ddj20
Twenty-One Thousand Four Hundred and Seventy-Nine in Base 20 Vigesimal
21480
2de020
Twenty-One Thousand Four Hundred and Eighty in Base 20 Vigesimal
21482
2de220
Twenty-One Thousand Four Hundred and Eighty-Two in Base 20 Vigesimal
21483
2de320
Twenty-One Thousand Four Hundred and Eighty-Three in Base 20 Vigesimal
21484
2de420
Twenty-One Thousand Four Hundred and Eighty-Four in Base 20 Vigesimal

Scientific Notation

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

2.1481e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00078j7agjge1ca420

The reciprocal of 21481 in Base 20 Vigesimal.

Palindrome?

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

The number 2de120 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 eighty-one is the 2408th prime number.   See primes in Base 20 Vigesimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand Four Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Twenty-One Thousand Four Hundred and Eighty-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 eighty-one has the following 1 prime factor:

21481
2de120
Twenty-One Thousand Four Hundred and Eighty-One in Base 20 Vigesimal

Prime Factorization

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

2de1201 = 2de120

Base Conversions

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