The Number

21291

Twenty-One Thousand Two Hundred and Ninety-One

In Base 20 Vigesimal Is

2d4b20

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

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

Nearby Numbers

Positive, nonzero integers within three units

21288
2d4820
Twenty-One Thousand Two Hundred and Eighty-Eight in Base 20 Vigesimal
21289
2d4920
Twenty-One Thousand Two Hundred and Eighty-Nine in Base 20 Vigesimal
21290
2d4a20
Twenty-One Thousand Two Hundred and Ninety in Base 20 Vigesimal
21292
2d4c20
Twenty-One Thousand Two Hundred and Ninety-Two in Base 20 Vigesimal
21293
2d4d20
Twenty-One Thousand Two Hundred and Ninety-Three in Base 20 Vigesimal
21294
2d4e20
Twenty-One Thousand Two Hundred and Ninety-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.

2.1291e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007a5j5jdha2f8920

The reciprocal of 21291 in Base 20 Vigesimal.

Palindrome?

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

The number 2d4b20 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 two hundred and ninety-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand two hundred and ninety-one is a composite number with 8 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 two hundred and ninety-one has the following 3 prime factors:

3
320
Three in Base 20 Vigesimal
47
2720
Forty-Seven in Base 20 Vigesimal
151
7b20
One Hundred and Fifty-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

3201 · 27201 · 7b201 = 2d4b20

Base Conversions

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