The Number
42649
Forty-Two Thousand Six Hundred and Forty-Nine
In Base 21 Unovigesimal Is
4cej21
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Forty-Two Thousand Six Hundred and Forty-Nine 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.
4.2649e4
Reciprocal
A number multiplied with its reciprocal is one.
0.0004bfka9jib65h921
The reciprocal of 42649 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 4cej21 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Forty-two thousand six hundred and forty-nine is the 4458th prime number. See primes in Base 21 Unovigesimal
Not A Composite
Composites have more than just these two factors.
Forty-Two Thousand Six Hundred and Forty-Nine is not a composite number because it has exactly two factors: One and Forty-Two Thousand Six Hundred and Forty-Nine
Prime Factors
The number forty-two thousand six hundred and forty-nine has the following 1 prime factor:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
4cej211
= 4cej21
Base Conversions
The number forty-two thousand six hundred and forty-nine in 35 different bases