The Number

81668

Eighty-One Thousand Six Hundred and Sixty-Eight

In Base 31 Untrigesimal Is

2mue31

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

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

Nearby Numbers

Positive, nonzero integers within three units

81665
2mub31
Eighty-One Thousand Six Hundred and Sixty-Five in Base 31 Untrigesimal
81666
2muc31
Eighty-One Thousand Six Hundred and Sixty-Six in Base 31 Untrigesimal
81667
2mud31
Eighty-One Thousand Six Hundred and Sixty-Seven in Base 31 Untrigesimal
81669
2muf31
Eighty-One Thousand Six Hundred and Sixty-Nine in Base 31 Untrigesimal
81670
2mug31
Eighty-One Thousand Six Hundred and Seventy in Base 31 Untrigesimal
81671
2muh31
Eighty-One Thousand Six Hundred and Seventy-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.

8.1668e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b9h6k6opoke31

The reciprocal of 81668 in Base 31 Untrigesimal.

Palindrome?

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

The number 2mue31 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 sixty-eight is a composite number with 12 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 sixty-eight is a composite number with 12 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 sixty-eight has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
17
h31
Seventeen in Base 31 Untrigesimal
1201
17n31
One Thousand Two Hundred and One in Base 31 Untrigesimal

Prime Factorization

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

2312 · h311 · 17n311 = 2mue31

Base Conversions

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