The Number
3645
Three Thousand Six Hundred and Forty-Five
In Base 21 Unovigesimal Is
85c21
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Three Thousand Six Hundred 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.
3.645e3
Reciprocal
A number multiplied with its reciprocal is one.
0.002b79gggggggh21
The reciprocal of 3645 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 85c21 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Three thousand six hundred and forty-five is a composite number with 14 total factors (including 1 and itself). See primes in Base 21 Unovigesimal
A Composite
Composites have more than just these two factors.
Three thousand six hundred and forty-five is a composite number with 14 total factors (including 1 and itself).
Prime Factors
The number three thousand six hundred and forty-five has the following 2 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
3216
·
5211
= 85c21
Base Conversions
The number three thousand six hundred and forty-five in 35 different bases