The Number

12921

Twelve Thousand Nine Hundred and Twenty-One

In Base 21 Unovigesimal Is

186621

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

12918
186321
Twelve Thousand Nine Hundred and Eightteen in Base 21 Unovigesimal
12919
186421
Twelve Thousand Nine Hundred and Nineteen in Base 21 Unovigesimal
12920
186521
Twelve Thousand Nine Hundred and Twenty in Base 21 Unovigesimal
12922
186721
Twelve Thousand Nine Hundred and Twenty-Two in Base 21 Unovigesimal
12923
186821
Twelve Thousand Nine Hundred and Twenty-Three in Base 21 Unovigesimal
12924
186921
Twelve Thousand Nine Hundred and Twenty-Four in Base 21 Unovigesimal

Scientific Notation

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

1.2921e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000f11f76ig8dda21

The reciprocal of 12921 in Base 21 Unovigesimal.

Palindrome?

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

The number 186621 is not a palindrome.

Not A Prime Number

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

Twelve thousand nine hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand nine hundred and twenty-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 twelve thousand nine hundred and twenty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
59
2h21
Fifty-Nine in Base 21 Unovigesimal
73
3a21
Seventy-Three in Base 21 Unovigesimal

Prime Factorization

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

3211 · 2h211 · 3a211 = 186621

Base Conversions

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