The Number

81688

Eighty-One Thousand Six Hundred and Eighty-Eight

In Base 31 Untrigesimal Is

2n0331

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

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

Nearby Numbers

Positive, nonzero integers within three units

81685
2n0031
Eighty-One Thousand Six Hundred and Eighty-Five in Base 31 Untrigesimal
81686
2n0131
Eighty-One Thousand Six Hundred and Eighty-Six in Base 31 Untrigesimal
81687
2n0231
Eighty-One Thousand Six Hundred and Eighty-Seven in Base 31 Untrigesimal
81689
2n0431
Eighty-One Thousand Six Hundred and Eighty-Nine in Base 31 Untrigesimal
81690
2n0531
Eighty-One Thousand Six Hundred and Ninety in Base 31 Untrigesimal
81691
2n0631
Eighty-One Thousand Six Hundred and Ninety-One in Base 31 Untrigesimal

Scientific Notation

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

8.1688e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b9eh59u2hgm31

The reciprocal of 81688 in Base 31 Untrigesimal.

Palindrome?

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

The number 2n0331 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand six hundred and eighty-eight 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-one thousand six hundred and eighty-eight 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-one thousand six hundred and eighty-eight has the following 2 prime factors:

2
231
Two in Base 31 Untrigesimal
10211
ajc31
Ten Thousand Two Hundred and Eleven in Base 31 Untrigesimal

Prime Factorization

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

2313 · ajc311 = 2n0331

Base Conversions

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