The Number
87138
Eighty-Seven Thousand One Hundred and Thirty-Eight
In Base 21 Unovigesimal Is
98c921
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Eighty-Seven Thousand One Hundred and Thirty-Eight 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.
8.7138e4
Reciprocal
A number multiplied with its reciprocal is one.
0.00024i5802acg6he21
The reciprocal of 87138 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 98c921 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Eighty-seven thousand one hundred and thirty-eight is a composite number with 24 total factors (including 1 and itself). See primes in Base 21 Unovigesimal
A Composite
Composites have more than just these two factors.
Eighty-seven thousand one hundred and thirty-eight is a composite number with 24 total factors (including 1 and itself).
Prime Factors
The number eighty-seven thousand one hundred and thirty-eight 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
·
3212
·
25211
·
4j211
= 98c921
Base Conversions
The number eighty-seven thousand one hundred and thirty-eight in 35 different bases