The Number

87021

Eighty-Seven Thousand and Twenty-One

In Base 11 Undecimal Is

5a42011

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

87018
5a41811
Eighty-Seven Thousand and Eightteen in Base 11 Undecimal
87019
5a41911
Eighty-Seven Thousand and Nineteen in Base 11 Undecimal
87020
5a41a11
Eighty-Seven Thousand and Twenty in Base 11 Undecimal
87022
5a42111
Eighty-Seven Thousand and Twenty-Two in Base 11 Undecimal
87023
5a42211
Eighty-Seven Thousand and Twenty-Three in Base 11 Undecimal
87024
5a42311
Eighty-Seven Thousand and Twenty-Four in Base 11 Undecimal

Scientific Notation

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

8.7021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000193a3340aa88a39111

The reciprocal of 87021 in Base 11 Undecimal.

Palindrome?

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

The number 5a42011 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 and twenty-one is a composite number with 16 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Eighty-seven thousand and twenty-one is a composite number with 16 total factors (including 1 and itself).

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 twenty-one has the following 3 prime factors:

3
311
Three in Base 11 Undecimal
11
1011
Eleven in Base 11 Undecimal
293
24711
Two Hundred and Ninety-Three in Base 11 Undecimal

Prime Factorization

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

3113 · 10111 · 247111 = 5a42011

Base Conversions

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