The Number

21213

Twenty-One Thousand Two Hundred and Thirteen

In Base 21 Unovigesimal Is

262321

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

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

Nearby Numbers

Positive, nonzero integers within three units

21210
262021
Twenty-One Thousand Two Hundred and Ten in Base 21 Unovigesimal
21211
262121
Twenty-One Thousand Two Hundred and Eleven in Base 21 Unovigesimal
21212
262221
Twenty-One Thousand Two Hundred and Twelve in Base 21 Unovigesimal
21214
262421
Twenty-One Thousand Two Hundred and Fourteen in Base 21 Unovigesimal
21215
262521
Twenty-One Thousand Two Hundred and Fifteen in Base 21 Unovigesimal
21216
262621
Twenty-One Thousand Two Hundred and Sixteen in Base 21 Unovigesimal

Scientific Notation

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

2.1213e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00093b1jgbd79gd621

The reciprocal of 21213 in Base 21 Unovigesimal.

Palindrome?

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

The number 262321 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 thirteen is a composite number with 6 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand two hundred and thirteen is a composite number with 6 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 thirteen has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
2357
57521
Two Thousand Three Hundred and Fifty-Seven in Base 21 Unovigesimal

Prime Factorization

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

3212 · 575211 = 262321

Base Conversions

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