The Number

213642

Two Hundred and Thirteen Thousand Six Hundred and Forty-Two

In Base 21 Unovigesimal Is

1219921

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

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

Nearby Numbers

Positive, nonzero integers within three units

213639
1219621
Two Hundred and Thirteen Thousand Six Hundred and Thirty-Nine in Base 21 Unovigesimal
213640
1219721
Two Hundred and Thirteen Thousand Six Hundred and Forty in Base 21 Unovigesimal
213641
1219821
Two Hundred and Thirteen Thousand Six Hundred and Forty-One in Base 21 Unovigesimal
213643
1219a21
Two Hundred and Thirteen Thousand Six Hundred and Forty-Three in Base 21 Unovigesimal
213644
1219b21
Two Hundred and Thirteen Thousand Six Hundred and Forty-Four in Base 21 Unovigesimal
213645
1219c21
Two Hundred and Thirteen Thousand Six Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

2.13642e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j298aagfc5kh21

The reciprocal of 213642 in Base 21 Unovigesimal.

Palindrome?

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

The number 1219921 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 six hundred and forty-two is a composite number with 48 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 six hundred and forty-two is a composite number with 48 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 six hundred and forty-two has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
83
3k21
Eighty-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 · 3212 · b211 · d211 · 3k211 = 1219921

Base Conversions

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