The Number
21930
Twenty-One Thousand Nine Hundred and Thirty
In Base 21 Unovigesimal Is
27f621
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Twenty-One Thousand Nine Hundred and Thirty 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.
2.1930e4
Reciprocal
A number multiplied with its reciprocal is one.
0.0008i4ikc7hah58921
The reciprocal of 21930 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 27f621 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 nine hundred and thirty is a composite number with 32 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 nine hundred and thirty is a composite number with 32 total factors (including 1 and itself).
Prime Factors
The number twenty-one thousand nine hundred and thirty has the following 5 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
2211
·
3211
·
5211
·
h211
·
21211
= 27f621
Base Conversions
The number twenty-one thousand nine hundred and thirty in 35 different bases