The Number

86821

Eighty-Six Thousand Eight Hundred and Twenty-One

In Base 31 Untrigesimal Is

2sal31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

86818
2sai31
Eighty-Six Thousand Eight Hundred and Eightteen in Base 31 Untrigesimal
86819
2saj31
Eighty-Six Thousand Eight Hundred and Nineteen in Base 31 Untrigesimal
86820
2sak31
Eighty-Six Thousand Eight Hundred and Twenty in Base 31 Untrigesimal
86822
2sam31
Eighty-Six Thousand Eight Hundred and Twenty-Two in Base 31 Untrigesimal
86823
2san31
Eighty-Six Thousand Eight Hundred and Twenty-Three in Base 31 Untrigesimal
86824
2sao31
Eighty-Six Thousand Eight Hundred and Twenty-Four in Base 31 Untrigesimal

Scientific Notation

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

8.6821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ajn6st87nc331

The reciprocal of 86821 in Base 31 Untrigesimal.

Palindrome?

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

The number 2sal31 is not a palindrome.

Not A Prime Number

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

Eighty-six thousand eight hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Eighty-six thousand eight hundred and twenty-one is a composite number with 8 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-six thousand eight hundred and twenty-one has the following 3 prime factors:

7
731
Seven in Base 31 Untrigesimal
79
2h31
Seventy-Nine in Base 31 Untrigesimal
157
5231
One Hundred and Fifty-Seven in Base 31 Untrigesimal

Prime Factorization

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

7311 · 2h311 · 52311 = 2sal31

Base Conversions

The number eighty-six thousand eight hundred and twenty-one in 35 different bases