The Number

81961

Eighty-One Thousand Nine Hundred and Sixty-One

In Base 31 Untrigesimal Is

2n8s31

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

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

Nearby Numbers

Positive, nonzero integers within three units

81958
2n8p31
Eighty-One Thousand Nine Hundred and Fifty-Eight in Base 31 Untrigesimal
81959
2n8q31
Eighty-One Thousand Nine Hundred and Fifty-Nine in Base 31 Untrigesimal
81960
2n8r31
Eighty-One Thousand Nine Hundred and Sixty in Base 31 Untrigesimal
81962
2n8t31
Eighty-One Thousand Nine Hundred and Sixty-Two in Base 31 Untrigesimal
81963
2n8u31
Eighty-One Thousand Nine Hundred and Sixty-Three in Base 31 Untrigesimal
81964
2n9031
Eighty-One Thousand Nine Hundred and Sixty-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.

8.1961e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b89badg2d2b31

The reciprocal of 81961 in Base 31 Untrigesimal.

Palindrome?

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

The number 2n8s31 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 nine hundred and sixty-one is a composite number with 4 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 nine hundred and sixty-one is a composite number with 4 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 nine hundred and sixty-one has the following 2 prime factors:

11
b31
Eleven in Base 31 Untrigesimal
7451
7nb31
Seven Thousand Four Hundred and Fifty-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

b311 · 7nb311 = 2n8s31

Base Conversions

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