The Number

87013

Eighty-Seven Thousand and Thirteen

In Base 21 Unovigesimal Is

986a21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Eighty-Seven Thousand and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

87010
986721
Eighty-Seven Thousand and Ten in Base 21 Unovigesimal
87011
986821
Eighty-Seven Thousand and Eleven in Base 21 Unovigesimal
87012
986921
Eighty-Seven Thousand and Twelve in Base 21 Unovigesimal
87014
986b21
Eighty-Seven Thousand and Fourteen in Base 21 Unovigesimal
87015
986c21
Eighty-Seven Thousand and Fifteen in Base 21 Unovigesimal
87016
986d21
Eighty-Seven Thousand and Sixteen in Base 21 Unovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

8.7013e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00024je1bej469ej21

The reciprocal of 87013 in Base 21 Unovigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 986a21 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eighty-seven thousand and thirteen is the 8452nd prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Eighty-Seven Thousand and Thirteen is not a composite number because it has exactly two factors: One and Eighty-Seven Thousand and Thirteen

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eighty-seven thousand and thirteen has the following 1 prime factor:

87013
986a21
Eighty-Seven Thousand and Thirteen in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

986a211 = 986a21

Base Conversions

The number eighty-seven thousand and thirteen in 35 different bases