The Number
213808
Two Hundred and Thirteen Thousand Eight Hundred and Eight
In Base 21 Unovigesimal Is
121h721
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Two Hundred and Thirteen Thousand Eight Hundred and Eight in Base 10 Decimal
Nearby Numbers
Positive, nonzero integers within three units
Scientific Notation
Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.
2.13808e5
Reciprocal
A number multiplied with its reciprocal is one.
0.0000j22i107932eh21
The reciprocal of 213808 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 121h721 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 eight hundred and eight is a composite number with 40 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 eight hundred and eight is a composite number with 40 total factors (including 1 and itself).
Prime Factors
The number two hundred and thirteen thousand eight hundred and eight has the following 4 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
2214
·
7211
·
12211
·
3k211
= 121h721
Base Conversions
The number two hundred and thirteen thousand eight hundred and eight in 35 different bases