The Number

21291

Twenty-One Thousand Two Hundred and Ninety-One

In Base 12 Duodecimal Is

103a312

The numbers with a 12 subscript use Base 12 Duodecimal 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
103a012
Twenty-One Thousand Two Hundred and Eighty-Eight in Base 12 Duodecimal
21289
103a112
Twenty-One Thousand Two Hundred and Eighty-Nine in Base 12 Duodecimal
21290
103a212
Twenty-One Thousand Two Hundred and Ninety in Base 12 Duodecimal
21292
103a412
Twenty-One Thousand Two Hundred and Ninety-Two in Base 12 Duodecimal
21293
103a512
Twenty-One Thousand Two Hundred and Ninety-Three in Base 12 Duodecimal
21294
103a612
Twenty-One Thousand Two Hundred and Ninety-Four in Base 12 Duodecimal

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.

0.0000b82b573772b3aa12

The reciprocal of 21291 in Base 12 Duodecimal.

Palindrome?

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

The number 103a312 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 12 Duodecimal

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
312
Three in Base 12 Duodecimal
47
3b12
Forty-Seven in Base 12 Duodecimal
151
10712
One Hundred and Fifty-One in Base 12 Duodecimal

Prime Factorization

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

3121 · 3b121 · 107121 = 103a312

Base Conversions

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