The Number

213506

Two Hundred and Thirteen Thousand Five Hundred and Six

In Base 21 Unovigesimal Is

1212k21

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

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

Nearby Numbers

Positive, nonzero integers within three units

213503
1212h21
Two Hundred and Thirteen Thousand Five Hundred and Three in Base 21 Unovigesimal
213504
1212i21
Two Hundred and Thirteen Thousand Five Hundred and Four in Base 21 Unovigesimal
213505
1212j21
Two Hundred and Thirteen Thousand Five Hundred and Five in Base 21 Unovigesimal
213507
1213021
Two Hundred and Thirteen Thousand Five Hundred and Seven in Base 21 Unovigesimal
213508
1213121
Two Hundred and Thirteen Thousand Five Hundred and Eight in Base 21 Unovigesimal
213509
1213221
Two Hundred and Thirteen Thousand Five Hundred and Nine in Base 21 Unovigesimal

Scientific Notation

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

2.13506e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j2eg5eehg40621

The reciprocal of 213506 in Base 21 Unovigesimal.

Palindrome?

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

The number 1212k21 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 six is a composite number with 4 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 six is a composite number with 4 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 six has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
106753
bb1a21
One Hundred and Six Thousand Seven Hundred and Fifty-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

2211 · bb1a211 = 1212k21

Base Conversions

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