The Number

87421

Eighty-Seven Thousand Four Hundred and Twenty-One

In Base 13 Tridecimal Is

30a3913

The numbers with a 13 subscript use Base 13 Tridecimal notation.

For more familiar numbers: See Eighty-Seven Thousand Four Hundred and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

87418
30a3613
Eighty-Seven Thousand Four Hundred and Eightteen in Base 13 Tridecimal
87419
30a3713
Eighty-Seven Thousand Four Hundred and Nineteen in Base 13 Tridecimal
87420
30a3813
Eighty-Seven Thousand Four Hundred and Twenty in Base 13 Tridecimal
87422
30a3a13
Eighty-Seven Thousand Four Hundred and Twenty-Two in Base 13 Tridecimal
87423
30a3b13
Eighty-Seven Thousand Four Hundred and Twenty-Three in Base 13 Tridecimal
87424
30a3c13
Eighty-Seven Thousand Four Hundred and Twenty-Four in Base 13 Tridecimal

Scientific Notation

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

8.7421e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000432a0a4c54b1b2b13

The reciprocal of 87421 in Base 13 Tridecimal.

Palindrome?

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

The number 30a3913 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 four hundred and twenty-one is the 8486th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

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

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 four hundred and twenty-one has the following 1 prime factor:

87421
30a3913
Eighty-Seven Thousand Four Hundred and Twenty-One in Base 13 Tridecimal

Prime Factorization

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

30a39131 = 30a3913

Base Conversions

The number eighty-seven thousand four hundred and twenty-one in 35 different bases