The Number

213555

Two Hundred and Thirteen Thousand Five Hundred and Fifty-Five

In Base 21 Unovigesimal Is

1215621

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

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

Nearby Numbers

Positive, nonzero integers within three units

213552
1215321
Two Hundred and Thirteen Thousand Five Hundred and Fifty-Two in Base 21 Unovigesimal
213553
1215421
Two Hundred and Thirteen Thousand Five Hundred and Fifty-Three in Base 21 Unovigesimal
213554
1215521
Two Hundred and Thirteen Thousand Five Hundred and Fifty-Four in Base 21 Unovigesimal
213556
1215721
Two Hundred and Thirteen Thousand Five Hundred and Fifty-Six in Base 21 Unovigesimal
213557
1215821
Two Hundred and Thirteen Thousand Five Hundred and Fifty-Seven in Base 21 Unovigesimal
213558
1215921
Two Hundred and Thirteen Thousand Five Hundred and Fifty-Eight in Base 21 Unovigesimal

Scientific Notation

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

2.13555e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j2chd2632a8521

The reciprocal of 213555 in Base 21 Unovigesimal.

Palindrome?

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

The number 1215621 is not a palindrome.

Not A Prime Number

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

Two hundred and thirteen thousand five hundred and fifty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and thirteen thousand five hundred and fifty-five is a composite number with 16 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 two hundred and thirteen thousand five hundred and fifty-five has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
619
18a21
Six Hundred and Nineteen 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 · 5211 · 12211 · 18a211 = 1215621

Base Conversions

The number two hundred and thirteen thousand five hundred and fifty-five in 35 different bases