The Number
21730
Twenty-One Thousand Seven Hundred and Thirty
In Base 21 Unovigesimal Is
275g21
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Twenty-One Thousand Seven 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.
2.1730e4
Reciprocal
A number multiplied with its reciprocal is one.
0.0008jjiic1efafe821
The reciprocal of 21730 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 275g21 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 seven hundred and thirty 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.
Twenty-one thousand seven hundred and thirty is a composite number with 16 total factors (including 1 and itself).
Prime Factors
The number twenty-one thousand seven hundred and thirty 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
2211
·
5211
·
1k211
·
2b211
= 275g21
Base Conversions
The number twenty-one thousand seven hundred and thirty in 35 different bases