The Number
21045
Twenty-One Thousand and Forty-Five
In Base 12 Duodecimal Is
1021912
The numbers with a 12 subscript use Base 12 Duodecimal notation.
For more familiar numbers: See Twenty-One Thousand and Forty-Five 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.
2.1045e4
Reciprocal
A number multiplied with its reciprocal is one.
0.0000b9a7653b09bb67212
The reciprocal of 21045 in Base 12 Duodecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 1021912 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 and forty-five is a composite number with 16 total factors (including 1 and itself). See primes in Base 12 Duodecimal
A Composite
Composites have more than just these two factors.
Twenty-one thousand and forty-five is a composite number with 16 total factors (including 1 and itself).
Prime Factors
The number twenty-one thousand and forty-five 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
3121
·
5121
·
1b121
·
51121
= 1021912
Base Conversions
The number twenty-one thousand and forty-five in 35 different bases